1. Calculus

    Differentiate with respect to theta Y=((sin3theta)(tan3theta))^12

    asked by Kate on February 11, 2013
  2. maths

    show that sin3theta-cos2theta =(1-sin theta)(4sin squared theta + 2sin theta -1)

    asked by victor2 on August 3, 2011
  3. maths

    show that sin3theta-cos2theta =(1-sin theta)(4sin squared theta + 2sin theta -1)

    asked by victor2 on August 3, 2011
  4. related rates with work shown

    this is a relate rates problem in calculus in a right triangle, the hypotenuse is 5 and the vertical side is x and the angle is theta. so if theta increases at a constant rate of 3 radians per minute, at what rate is x increasing in units per minute when x

    asked by Anonymous on April 15, 2007
  5. calculus

    a billboard 20ft tall is located on top of a building with its lower edge 60 ft above the level of a viewers eye. how far from a point directly below the sign should a viewer stand to maximize the angle (theta) between the lines of sight of the top and

    asked by rachel on November 7, 2011
  6. trig math

    Prove that tan(theta)tan(60+theta)=tan3theta

    asked by Rajesh kumar on December 18, 2011
  7. trig

    h t t p : / / i m g 4 0 . i m a g e s h a c k . u s / c o n t e n t . p h p ? p a g e = d o n e& l = i m g 4 0 / 1 4 8 / a s d a s d y e . j p g & v i a = m u p l o a d (def of tan theta = a^-1 o)a = o opposite = adjacent tan theta written with respect to

    asked by trig on September 6, 2009
  8. Math

    Find the instantaneous rate of change of r with respect to theta for r = (theta/2)- (1/theta).

    asked by Emma on November 14, 2011
  9. trigo help!

    1. differentiate cos(3/x) 2. differentiate sin(4/x) 3. differentiate 3/{sin(3x+pi)} 4. differentiate pxsin(q/x)where p and q are constants. 5. differentiate xsin(a/x) where a is constant 6. differentiate sec^3(3x^2+1)

    asked by I'm stumped on June 19, 2009
  10. Calculus

    I wanted to confirm that I solved these problems correctly (we had to convert the polar curves to Cartesian equations). 1.rcos(theta)=1 x=1 2.r=2*sin(theta)+2*cos(theta) r^2=2rsin(theta)+2rcos(theta) x^2+y^2=2y+2x (a little unsure what do next if this is

    asked by Joshua on March 13, 2009
  11. Calculus

    Determine the intervals on which the function is concave up and concave down f(theta) = 21theta + 21Sin^2(theta), [0,pi] I have tried to implicitly differentiate but I am getting nowhere,... can anyone please help?

    asked by Henry on March 31, 2013
  12. trig

    If sin theta is equal to 5/13 and theta is an angle in quadrant II find the value of cos theta, sec theta, tan theta, csc theta, cot theta.

    asked by Julise Alliance on March 1, 2013
  13. Precalculus(NEED HELP ASAP PLEASE!!)

    cot(theta)= 3 pi < theta < 3pi/2 Find: sin(theta)= -1 ? cos(theta)= -3 ? tan(theta)= 1/3 ? sec(theta)= -1/3 ? csc(theta)= -1 ? That's what I came up with, but they are not correct, PLEASE help me where I went wrong!!

    asked by jh on March 28, 2010
  14. math

    knowing that 2(theta) can be written as theta + theta, find the expression for sin2(theta) and cos2(theta). Is it 2sin(theta)cos(theta)?

    asked by Steve on March 31, 2013
  15. calculus

    the equation V=U^5=7sqrtW-WZ relates the variables, V,U,W,Z. differentiate with respect to T to get the wquation which relates the rates of change with respect to T?

    asked by Anonymous on October 11, 2011
  16. math

    If cos(3 x)6Ó14 x e^2 y=0, find [ dy/dx] using implicit differentiation. In this problem, you should differentiate both sides of this equation with respect to x. First, using implicit differentiation, differentiate the left side of the equation with

    asked by Zhao on September 30, 2012
  17. math;)

    Julia wants to simplify the term sec^2 theta-1/cot^2 theta+1 in a trigonometric identity that she is proving. Which of the following identities should use to help her? Select all that apply. (2 ANSWERS) a. sin^2 theta+cos^2 theta=1 b. sec^2 theta-tan^2

    asked by girly girl on April 23, 2018
  18. Definite Integrals

    Integral of theta^3*lnsintheta with respect to theta from 0 to pi

    asked by alsa on June 27, 2012
  19. Math

    Which of the following functions have a vertical asymptote for values of theta such that cos theta = 1? Select two answers. y = sin theta y = cos theta y = tan theta y = sec theta y = csc theta y = cot theta I know what all these functions look like, but I

    asked by Max on February 10, 2018
  20. Advanced Math

    Identify the polar form of the linear equation 4x+3y=10. x=rcos(theta),y=rsin(theta) 4x+3y=4rcos(theta)+3rsin(theta)=10 r=10/(4cos(theta)+3sin(theta) I got it wrong

    asked by Jon on August 6, 2009
  21. Math

    An angle theta satisfies the relation (csc theta)(cos theta)=-1 Give an example of information needed to determine a unique value for theta If sec theta is known to be negative, what is the csc theta value of theta?

    asked by Saniya on February 24, 2017
  22. math;)

    What is a simplified form of the expression (sec^3 theta) - (sec theta/cot^2 theta)? a. 0 b. sec theta-tan theta c. cos theta d. sec theta***** Every time I attempt to work out this problem I end up with one. I know the answer is sec theta, but I do not

    asked by girly girl on April 27, 2018
  23. math

    Differentiate s=(2-t)^2 with respect to t

    asked by math on September 16, 2017
  24. Calculus

    Finding critical numbers g(theta) = 16(theta) - 4tan(theta) I can only get the derivative of g to be g'(theta) = 16 - 4sec^2(theta). Am I supposed to move on to get sec^2(theta) = 4, then sec(theta) = 2?

    asked by Justin on October 4, 2015
  25. Calculus 1

    A 10m ladder leans against a wall at an angle theta with the horizontal. The top of the ladder is x metres above the ground. If the bottom of the ladder is pushed towards the wall, find the rate at which x changes with respect to theta when theta equals 60

    asked by Yain on April 22, 2012
  26. Algebra II

    Multiple Choice Which expression is NOT equivalent to 1? (theta) means 0 with dash in it. A.)sin^2 (theta)+cot^2 (theta) sin^2 (theta) B.)(sin^(theta))/(1-cos(theta))-cos(theta) C,)sec^2 (theta)+ tan^2 (theta) D.)(cot^2(theta) sin^2 (theta))/(cos^2(theta))

    asked by HotMath on June 9, 2011
  27. Mathematics

    Differentiate the following function with respect to x a) ln((2x-1/1+x)^1/2)

    asked by Syam on January 5, 2015
  28. Math

    Differentiate cos^2 x w/ respect to x

    asked by Anonymous on November 4, 2012
  29. Math

    Differentiate cos^2 x w/ respect to x.

    asked by Nyx on November 5, 2012
  30. Math

    Differentiate cos^2 x w/ respect to x

    asked by Anonymous on November 4, 2012
  31. MBA – I/ Semester – I math

    Differentiate following with respect to x f(x) = (3x^2 – 5ax + a^2)^4

    asked by anil on October 4, 2011
  32. Calculus

    Differentiate each function with respect to x: F(x)=x/(x+1)^1/2

    asked by Sm on September 22, 2015
  33. Calculus

    Differentiate with respect to x 1/sin x

    asked by somay on July 19, 2016
  34. calculus

    Differentiate with respect to x (3x^2-5ax+a^2)^4

    asked by Anonymous on September 22, 2011
  35. calculus

    y=2^nx differentiate with respect to x using the first principle

    asked by edward on August 23, 2015
  36. Physics

    An object is shot at 20m/s at an angle theta. The object lands 24m away. What is the angle? Can you check if I am doing this right? I had v(initial) = 20 m/s g = 9.8 m/s^2 x = 24m 1st I solved for time: x = v(initial) t x = v(initial) cos(theta) t 24 = 20

    asked by Dreskillz89 on September 22, 2009
  37. trig

    If cosecant of theta equals 3 and cosine of theta is less than zero, find sine of theta, cosine of theta, tangent of theta, cotangent of theta and secant of theta

    asked by Ana on February 15, 2012
  38. Maths- complex numbers

    Find tan(3 theta) in terms of tan theta Use the formula tan (a + b) = (tan a + tan b)/[1 - tan a tan b) in two steps. First, let a = b = theta and get a formula for tan (2 theta). tan (2 theta) = 2 tan theta/[(1 - tan theta)^2] Then write down the equation

    asked by Jake on February 13, 2007
  39. Calculus :(

    Differentiate with respect to (t). y = d cos(t) + (t^2)sin(t)

    asked by Melish on March 20, 2014
  40. mba

    Differentiate following with respect to x. (3x2 – 5ax + a2)4

    asked by anil on October 4, 2011
  41. MBA – I/ Semester – I math

    Differentiate following with respect to x. (3x2 – 5ax + a2)4

    asked by anil on October 4, 2011
  42. Calculus 2

    Write in cartesian form: r=3tan(theta)sec(theta) im working with this function here, trying to get an rcos(theta) and/or rsin(theta) so far, i am stumped. what i have so far: r^2=3r(tan(theta)sec(theta)) (x^2+y^2)=?????

    asked by Mike on April 27, 2011
  43. Math

    Justin wants to evaluate 3cot(-5pi/4). Which of the following identities can he use to help him? Select two answers. cot(-theta) = cot(theta) cot(-theta) = -cot(theta) cot(-theta) = cot(-theta) cot(theta + pi) = cot(theta) cot(theta + 2pi) = cot(theta)

    asked by Max on February 12, 2018
  44. Precalculus

    Circle O below has radius 1. Eight segment lengths are labeled with lowercase letters. Six of these equal a trigonometric function of theta. Your answer to this problem should be a six letter sequence whose letters represent the segment lengths that equal

    asked by Human on September 25, 2016
  45. Algebra2

    The function f(theta) and g (theta) are sine functions where f(0)=g(0)=0. The amplitude of f (theta) is twice the amplitude of g(theta). The period of f(theta) is one-half the period of g(theta). If g (theta) has a period of 2pi and fpi/4=4. Write the

    asked by steve on May 11, 2017
  46. Math

    angle theta is in the standard position and 0'=

    asked by Han on June 11, 2014
  47. trig

    If theta is the measure of an angle in standard position with the given conditions, find the quadrant(s) in which the terminal side of theta lies. a) cot theta < 0 b) cos theta > 0 , csc theta < 0

    asked by Anonymous on January 27, 2012
  48. Trig

    Solve the following interval 0

    asked by Kay on October 24, 2007
  49. Trigonometry

    Thank you STEVE!!!!! Suppose that Cos (theta) = 1/square root 2 if 0

    asked by George on January 23, 2013
  50. Trigonometry

    I don't understand how I'm supposed set the problem up or what theta is... Use the given function value(s), and trigonometric identities (including the cofunction identities), to find the indicated trigonometric functions. sec theta = 5, tan theta 2 *

    asked by Chris on April 24, 2009
  51. trig

    Hi there! I NEED SERIOUS HELP, PLEASE!!! i have such a hard time with verifying identities! The question is: [(sin(theta/2)) / csc(theta/2)] + [(cos (theta/2) / sec(theta/2)] = 1 I have a few ideas on how to solve this, but am mainly not sure how to get

    asked by stephani on June 11, 2014
  52. Pre-Calculus

    Which is the polar form of the parametric equations x=5cos(theta) and y=5sin(theta) ? a. r= 5(theta) b. r= 5 c. r= 25 cos (theta) sin (theta)***** d. r= 25cos^2 (theta) + 25sin^2 (theta) Which is the polar form of the parametric equations x=4t and y=t^2?

    asked by Vsuf on May 22, 2018
  53. Math Trig Please Help!!!

    Find exact values for all the solutions to the equation cos theta = sqrt 3/2 for -2pi

    asked by George on November 8, 2014
  54. calculus(differentian)

    x=(6-2y²)/(1+y) differentiate with respect to y I saw this in a question here but..I don't get how the person go that answer.

    asked by Yoona on December 4, 2011
  55. Precalculus(NEED HELP ASAP PLEASE!!)

    PLEASE HELP!! csc(theta)= -3/2 3pi/2 < theta < 2pi Find: sin(theta)= _____ ? cos(theta)= _____ ? tan(theta)= _____ ? cot(theta)= _____ ? sec(theta)= _____ ?

    asked by jh on March 28, 2010
  56. calculus

    A ladder 14 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by peter on May 4, 2010
  57. Calculus Ladder Problem

    A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by Jennifer on April 28, 2010
  58. Math

    A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by Jennifer on April 28, 2010
  59. Math

    A ladder 20 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by Jennifer on April 28, 2010
  60. math

    A ladder 14 ft long rests against a vertical wall. Let \theta be the angle between the top of the ladder and the wall and let x be the distance from the bottom of the ladder to the wall. If the bottom of the ladder slides away from the wall, how fast does

    asked by peter on May 4, 2010
  61. Mathamatics

    Solve the following trigonometry identities. a) 1-cos2(theta) = sin(theta)cos(theta)/cot(theta) b) (1-cos2(theta))(1-tan2(theta))=sin2(theta)-2sin4(theta)/1-sin2(theta) *its supposed to be cos to the power of two, sin to the power of four, etc. There is

    asked by Zoë on May 29, 2014
  62. trigonometry

    can you correct the rest for me please? Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi + theta)= -cos theta c. tan (810 + theta)= ????? d. sin (theta - 180)= -sin theta

    asked by Anonymous on February 9, 2011
  63. trigonomtry

    can you correct the rest for me please? Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi + theta)= -cos theta c. tan (810 + theta)= ????? d. sin (theta - 180)= -sin theta

    asked by Anonymous on February 8, 2011
  64. trigonometry

    can you correct the rest for me please? Express each as a function of theta: a. sin (270deg + theta)= cos theta b. cos (pi + theta)= -cos theta c. tan (810 + theta)= ????? d. sin (theta - 180)= -sin theta

    asked by anon on February 11, 2011
  65. maths

    Prove that sin3theta=3sintheta-4sin^3theta

    asked by chama on March 14, 2012
  66. Calculus

    If cos of theta= -7/12 and theta is in quadrant 2 then find a. tan(theta) cot (theta)= b. csc(theta) tan(theta)= c. sin^2(theta)+ cos^2(theta)=

    asked by Bob on April 9, 2017
  67. physics

    A crate slides down an incline right angled trough. The coefficient of kinetic friction between the crate and the trought is mew_k(not sure if i spelt it right). What is the acceleration of the crate in terms of mew_k theda and g? I think I need to use

    asked by Brian on November 28, 2006
  68. Mathematics

    Differentiate the following with respect to P: A)567K b)897PK c)23P^-1 d)2KP^6+4P^5+P^4+6K^3-K^2-329K-10,000

    asked by Ted on September 7, 2008
  69. trig

    Find csc(theta), tan (theta), and cos (theta), where theta is the angle shown in the figure. Give exact values, not decimal approximations c=10 b=7 a=7.14 the right angle is locate between sides a and b and the theta angle is an acutle angle sides b and c.

    asked by Joey on March 24, 2014
  70. Math Trig Help

    sin theta = x/3, with theta in the first quadrant, find the expression for cos theta and tan theta. Answers will be in algebraic terms of x. Give exact answers with 0 < theta

    asked by Leeroy on November 7, 2014
  71. math (trig)

    if cos 2 theta = -(1/3) and theta is in Quadrant 2, find sin theta, cos theta, tan theta, and draw triangle theta

    asked by Jeff on January 21, 2011
  72. help help helpppp--math

    1)Use the definitions sin0(theta) = y/r, cos0(theta) = x/r and/or tan0(theta) = y/x to prove that cot0(theta) = 1/tan0(theta) 2)For all 0(theta) prove: a)cos(t) = 1/sec0(theta) b. sec(t) = 1/cos0(theta)

    asked by abeer on April 30, 2012
  73. Math

    1)Use the definitions sin0(theta) = y/r, cos0(theta) = x/r and/or tan0(theta) = y/x to prove that cot0(theta) = 1/tan0(theta) 2)For all 0(theta) prove: a)cos(t) = 1/sec0(theta) b. sec(t) = 1/cos0(theta)

    asked by abeer on April 30, 2012
  74. Trig

    Which expression equivalent to: cos(theta + pi/2). A)cos theta B)-cos theta C)sin theta D)-sin theta my book doesnt give examples of this but my crack at it would be C b/c distributive property? and 2cos theta = sin theta

    asked by Jon on February 15, 2008
  75. Calculus

    I'm having problems with this one. Can't get the right answer. Differentiate the following using the chain rule. f(x) = squareroot(x^2+1)/(3x+1) I know that I can take the whole thing and put it to the (1/2) and differentiate that then use the quotient

    asked by Angie on September 22, 2012
  76. Trigonometry

    Prove the following identities: 1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta cos theta = tan theta - cot theta 3. (sin theta + cos theta ) ^2 + (sin theta - cos theta ) ^2 = 2 Thank you so much! :)

    asked by Fern Angel on April 21, 2016
  77. Trigonometry

    Prove the following identities: 1. (tan theta - sin theta)^2 + (1-cos theta)^2 = (1-sec theta) ^2 2. (1-2cos^2 theta) / sin theta cos theta = tan theta - cot theta 3. (sin theta + cos theta ) ^2 + (sin theta - cos theta ) ^2 = 2 Thank you so much! :)

    asked by Fern Angel on April 22, 2016
  78. Calculus

    Can someone explain the method of implicit differentiation to me. I know that we differentiation both sides of the equation with respect to x (I don't understand what they mean by with respect to x). And then y is a function of x...I don't understand what

    asked by Samantha on November 4, 2008
  79. Calculus

    Can someone explain the method of implicit differentiation to me. I know that we differentiation both sides of the equation with respect to x (I don't understand what they mean by with respect to x). And then y is a function of x...I don't understand what

    asked by Samantha on November 3, 2008
  80. Calculous

    Evaluate sin(theta) and cosine (theta) for the angle theta The graph gives you a point of (0.6,-0.8) on the x y coordinate plane with a radius of what appears to be 1 ( unit circle ) sin (theta) = cos (theta) =

    asked by Larry on October 31, 2014
  81. trigonometry

    I need help in understanding how to identify which identity to use. using this question as an example. Show that tan theta (sin theta+cot theta cos theata)all over cos theta = sec^2 theta. Please explain.

    asked by lindsay on May 4, 2012
  82. Maths - trigonometry

    if sec theta*sin(36° + theta )=0 , find the value of theta so that theta and 36°+theta are acute angles

    asked by Safi on April 16, 2017
  83. Futher maths

    Tan theta +2sec theta=2 cot theta+3cosec theta=a Find theta

    asked by Stevium on July 22, 2016
  84. precalc h

    sin(theta)/1-cos(theta) + 1-cos(theta)/sin(theta) = 2csc(theta) That question makes absolutely no sense.. could someone help me? or lead me in the direction to figuring it out? and.. (Beside the trig functions is theta) 1+1/cos = tan^2/sec-1

    asked by sam on December 10, 2012
  85. Chemistry

    For one mole the ideal gas law is pV=RT , write down the exact differential dV. Would I be right to differentiate with respect to T and p separately?... V = RT/p dV = R/p - (RT)/(p^2)

    asked by Beth on May 17, 2009
  86. calculus

    a particle moves along the curve xy=10. if x=2 and dy/dt=3, what is the value of dx/dt. i'm guessing this is something to do with parametric equations. if x is 2, then y=5. but how do i get dx/dt. you have to differentiate the equation with respect to t so

    asked by Anonymous on April 21, 2007
  87. Mathematics

    1. Show that Sin3 Theta - Cos2 Theta = (1 - Sin Theta)(4Sin^2 Theta + 2Sin Theta - 1). Without using a calculator, show that Theta = 18 degrees is an exact solution of the equation Sin3 Theta = Cos2 Theta. Justifying your answer, find the exact values of:

    asked by Edwards on August 3, 2011
  88. Precalculus 2

    Similiarly to a question I asked previously I took the same approach. the problem is: what value(s) of theta solve the following equation? cos(theta)sin(theta) - 2 cos(theta) = 0? I let Cos theta = X and sin theta = X unfortunately I end up with something

    asked by Greg on November 14, 2012
  89. Precalculus(NEED HELP ASAP PLEASE!!)

    PLEASE HELP!! sin(theta)= 1/3 pi/2 < theta < pi Find: cos(theta)= ______ ? tan(theta)= ______ ? cot(theta)= ______ ? sec(theta)= ______ ? csc(theta)= ______ ?

    asked by jh on March 28, 2010
  90. Algebra II

    Which of the following expressions are not equal to 1? A) sin^2 theta + cot^2 theta sin^2 theta B) (sin^2 theta/1-cos theta)-cos theta C) sec^2 theta + tan^2 theta D) cot^2 theta sin^2 theta/cos^2theta Answer: D

    asked by Lucy on April 19, 2008
  91. Math

    1. Let (-7, 4) be a point on the terminal side of (theta). Find the exact values of sin(theta), csc(theta), and cot(theta). 2. Let (theta) be an angle in quadrant IV such that sin(theta)=-2/5. Find the exact values of sec(theta) and tan(theta). 3. Let

    asked by Kandee Johnson on May 15, 2011
  92. Precalculus

    Which of the following are trigonometric identities? Select all that apply (there are 3 answers). A cos^2(theta)=sin^2(theta)-1 B sin(theta)=1/csc(theta) C sec(theta)=1/cot(theta) D cot(theta)=cos/sin(theta) E 1+cot^2(theta)=csc^2(theta)

    asked by Statten on March 6, 2018
  93. math

    Hi ! Here is my question: The pythagorean theorem gives the relationships between the sides of a right triangle. The following identities show the relationships between the trigonometric functions of a particular angle. sin^2(theta) + cos^2(theta) = 1

    asked by Andrew on April 1, 2013
  94. science

    Sitting on a horizontal track is a mass of 10kg. One end of the track is raised untill the mass just begins to slip. If the coeffieient of static friction is .4 what is the minimum angle at which the mass begins to slip? mgSinTheta = mg*mu*CosTheta

    asked by Henry on August 25, 2006
  95. math

    I have a question I have been working on since yesterday and I am not making this up. I couldn't get the right answer. If sin theta = -2/3, which of the following are possible? A: cos theta= -the sqr rt of 5/3 and tan theta =2/3. B: sec theta = 3/the sqr

    asked by lisa on November 21, 2013
  96. Calculus

    Below are the 5 problems which I had trouble in. I can't seem to get the answer in the back of the book. Thanks for the help! lim (theta-pi/2)sec(theta) theta->pi/2 Answer: -1 I am not sure what to do here. lim (tan(theta))^(theta) theta->0+ Answer:1

    asked by Anonymous on February 18, 2008
  97. Pre-Calculus

    1.) Which of the following polar equations is equivalent to the parametric equations below? x=t^2 y=2t A.) r=4cot(theta)csc(theta) B.) r=4tan(theta)sec(theta) C.) r=tan(theta)sec(theta)/4 D.) r=16cot(theta)csc(theta) 2.) Which polar equation is equivalent

    asked by line on May 18, 2018
  98. Calculus

    Which is the correct cofunction identity for (tan theta?) A csc(90degrees - theta) B sec (90degrees - theta) C sin (90degrees - theta) D cos (90degrees - theta) E cot (90degrees - theta)

    asked by Philip on November 28, 2012
  99. physics

    Consider a 626N weight held by two cables. The left hand cable had tension T and makes an angle of theta with the wall. The right hand cable had tension 720N and makes an angle of 27 degrees with the ceiling. What is the tesion T in the left hand cable

    asked by alexa on July 12, 2011
  100. math

    put these polar equations into cartesians form: 1) theta=135 degrees 2)rcostheta=-1 for #1 is it like: (-1,1)? and for #2, X=-1, but i cant find y, any help is appreciated The slope should be sin(theta)/cos(theta) and the intercept is the origin.

    asked by hmmmm on September 26, 2006