Find Theta in the degree measure for the indicated quadrant. Show the diagram. cot (Theta)= -(Radical 3/1)in quadrant IV. I got 240 degrees but i don't know how to do the diagram since 240 degrees is in quadrant III. How

113,176 questions
1. Trig

Find Theta in the degree measure for the indicated quadrant. Show the diagram. cot (Theta)= -(Radical 3/1)in quadrant IV. I got 240 degrees but i don't know how to do the diagram since 240 degrees is in quadrant III. How do you put this in a diagram?

asked by Lisa on May 10, 2011
2. 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 26, 2012
3. Trigonometric Functions

Determine the Value of all six trigonometric functions of theta when given? I need help. This is for my midterm review, if anyone is willing to help, I'd appreciate it. a) sin theta= 3/5 and theta is in quadrant 1. b) tan theta= -2 and theta is in quadrant

asked by Mike on January 6, 2008
4. 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 February 28, 2013
5. 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
6. Math: Trigonometry

Quadrant III, csc(theta)= -1.25, find tan(theta) Quadrant IV, sec(theta)= 4/3, find cot(theta) Please provide the work for both. Thank you!

asked by Arthur on June 1, 2017
7. 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
8. Trig

Let (theta) be an angle in quadrant II such that sec(theta) -4/3 . Find the exact values of cot (theta) and sin (theta).

asked by Johnny on May 11, 2011
9. 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
10. 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

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
12. Maths - Year 10

If theta is acute, show that from a diagram, that cot(90-theta) = tan theta and hence simplify tan76°/cot16° ty

asked by nicholarly on August 18, 2016
13. 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 23, 2009
14. trig

Let be an angle in quadrant II such that sec(theta) -4/3 . Find the exact values of cot (theta) and sin (theta).

asked by Johnny on May 11, 2011
15. Trig

If cot theta = -12/5 and the terminal side of theta lies in quadrant II find secant theta

asked by Lara on February 13, 2016
16. 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
17. Calculus

sec theta 5 need to find cos theta cot theta cot (90-theta) sin theta not sure what to do completely confused on this stuff

asked by Cindy on February 18, 2013
18. 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
19. 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 24, 2016
20. math

theta is an angle in standard position with a domain of 0 degrees < theta < 350 degrees and cot theta = -(24)/(7). Find all possible values of theta (accurate to 0.1 degree if necessary).

asked by Tricia on March 30, 2013
21. trig

Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line y=x+4 on ,find the measure of theta in degrees.

asked by Nora on February 8, 2012
22. trig

Given theta is in the standard position and is in the first quadrant , if the terminal side of the angle theta is parallel to the line on ,find the measure of theta in degrees.

asked by Stacy on February 8, 2012
23. 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
24. trig

If theta is a standard position angle and cot theta = 1.85, in which quadrant(s) could theta lie?

asked by people on March 20, 2012
25. Math

If theta is a standard position angle and cot theta=1.85, in which quadrant(s) could theta lie?

asked by Person on April 11, 2012
26. 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
27. precal

Determine the quadrant in which theta lies: sec theta>0 and cot theta

asked by Anonymous on March 2, 2009
28. 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
29. PreCalc

what is the cot of theta if the cos of theta = 4/9 and theta lies in quadrant IV

asked by T on October 18, 2010
30. math

if sin theta equals 3/5 and theta is second quadrant angle find tan 2 theta.my ans. was 3.442 but is wrong can you correct and show work please. thank you so much.

asked by lily on April 10, 2009
31. I dont think drawing a picture will help me drwls

Which expression is equivalent to tan theta-sec theta/sin theta? A)-cot theta B)cot theta C)tan theta-cot theta D)tan theta-sec^2theta just tell me what I need to know to set it up

asked by Jon on February 14, 2008
32. 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 March 31, 2013
33. math

The diagram shows a sector OAB of a circle, centre O and radius10 cm. Angle AOB is theta radians. The point C lies on OB and iss such that AC is perpendicular to OB. The region R is bounded by the arc AB and by the lines AC and CB. The area of R is 22cm^2

asked by James on March 16, 2013
34. ,math

show that sec theta(cosec theta) - cot theta = tan theta

asked by tanya on May 3, 2013
35. 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
36. easy trig

If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=-a where 0

asked by jen on January 8, 2009
37. simple trig

If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=-a where 0

asked by jen on January 8, 2009

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
39. Futher maths

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

asked by Stevium on July 22, 2016

1.) Find an expression equivalent to sec theta sin theta cot theta csc theta. tan theta csc theta sec theta ~ sin theta 2.) Find an expression equivalent to cos theta/sin theta . tan theta cot theta ~ sec theta csc theta 3.) Simplify (tan^2 theta +

asked by Kelsey on May 28, 2012

1.) Find an expression equivalent to sec theta sin theta cot theta csc theta. tan theta csc theta sec theta ~ sin theta 2.) Find an expression equivalent to cos theta/sin theta . tan theta cot theta ~ sec theta csc theta 3.) Simplify (tan^2 theta +

asked by Kelsey on May 30, 2012
42. trig

if (0,-7) lies on the terminal side of angle theta in standard position, find each value sec(theta) , cot(theta) and sin(theta)

asked by Laura on February 6, 2012
43. Pre-Calc/Math

if (0,-7) lies on the terminal side of angle theta in standard position, find each value sec(theta) , cot(theta) and sin(theta)

asked by Purplechick4 on February 7, 2012
44. Pre-Calc

if (0,-7) lies on the terminal side of angle theta in standard position, find each value sec(theta) , cot(theta) and sin(theta)

asked by Purplechick4 on February 6, 2012
45. Math Trig

Let theta be an angle in quad III such that sec theta = -13/5. Find the exact values of cot theta and sin theta? Thank you!!!

asked by Uzi on December 5, 2014
46. Trigonometry

Let (7,-3) be a point on the terminal side of theta. Find the exact values of cos of theta, sec of theta and cot of theta?

asked by Anna on March 20, 2014
47. Math

Let (7,-3) be a point on the terminal side of theta. Find the exact values of sin of theta, csc of theta and cot of theta?

asked by Justin on November 29, 2016
48. 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 20, 2011
49. Trig

suppose that the angle theta is in the second quadrant, and that sin(theta)=1/3. Find exact values for cos (theta) and csc (theta)

asked by alicia otto on April 5, 2016
50. math

Let theta be an angle in quadrant IV such that sin(theta)=-(2)/(5). Find the exact values of sec(theta) and tan(theta).

asked by Cody on August 3, 2018
51. trig

find an expression equivalent to sec theta sin theta cot theta csc theta

asked by Anonymous on December 8, 2011
52. trig

Given csc theta= 4, cot theta < 0 Find the exact values of cos theta and tan theta

asked by J on February 11, 2014
53. Algebra II

Multiple Choice (theta) means the symbol 0 with the dash in it. 1.)Which expression is equivalent to tan(theta)-(sec(theta))/(sin(theta))? A.)-cot(theta) B.)cot(theta) C.)tan(theta)-cot(theta) D.)tan(theta)-sec^2(theta) 2.)Find the exact value of:cos 375

asked by HotMath on June 9, 2011
54. trig

if cot of theta is less than zero, and csc of theta is less than zero what quadrant is theta in?

asked by leena on March 10, 2011
55. trig

Let (theta) be an angle in quadrant II such that csc(theta)=8/5 Find the exact value of tan(theta) and cos(theta).

asked by andy on May 10, 2011
56. trig

Let (theta) be an angle in quadrant II such that csc(theta)=8/5 Find the exact value of tan(theta) and cos(theta).

asked by andy on May 10, 2011
57. Maths

Sin theta,cos theta,tan theta are in g.p. prove that cot^6 theta-cot^2 theta =1

asked by Sumathi on December 30, 2017
58. trig

Which expression is equivalent to tan theta - sec theta/sin theta? A)-cot theta B)cot theta C)tan theta-cot theta D)tan theta-sec^2theta

asked by Sha on November 15, 2008
59. Trigonometry

The question was: "Given that sin theta is -1/2 and theta is in quadrant IV, find the cos and tan of theta." I found 1/2 for cosine and -1 for theta, but the answer sheet said I was incorrect. I am almost positive I did this correctly... can someone double

asked by 3nd3r on June 29, 2011
60. Calculus

I have the question :A small blood vessel of radius 2mm branches off at an angle(theta) from a larger blood vessel of radius 4mm. According to Poiseuille's Law the total resistance to the blood flow is proportional to

asked by Jessica on August 6, 2015
61. Math

if sin theta =1/2 and cos theta= √(3)/2. find tha values of tan theta, cot theta and csc. This question didn't ask for sec, but i am just curious what the answer for sec, can someone show me the answer for sec

asked by anonymous on March 7, 2019
62. 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

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
64. trig

If sin 2 theta = (2/5) in Quadrant 2, find sin theta, cos theta, tan theta, and draw triangle theta.

asked by Jeff on January 20, 2011
65. math

Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) . Find the exact value of cos theta. I assume I use the equation 1 / cos(theta)^2 = 1 + tan (theta)^2 However how does this work out algebraically?

66. Mathematics

Find the work done in moving a particle along the quadrant circle that has radius 2, going from A = (2, 0) to B = (0, 2) in the x-y plane through the force field F given by: F = (x - y)i + (x)j No diagram sorry, but the information provided does allow for

asked by Blueberry Tuffin on April 3, 2013
67. pre calc

3 radical 3=-3 cot theta on interval 0

asked by lil wayne on December 7, 2011
68. 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

Calculate the exact values of the cot(theta) and sin(theta) for the acute angle theta if sec(theta)= the square root of 6. Thank you so much!

asked by Jill on December 9, 2011
70. math

write each expression in terms of sine and cosine: csc^3 theta/cot theta * tan^2 theta/sec^2 theta

asked by anonymous on February 7, 2013
71. Trigonometry

express in terms of sine and cosine. a) tan theta/ cot theta i know the answer is sin^2 theta / cos ^2 theta but how do you do it?

asked by Jonathan on March 22, 2012
72. Trigonometry

If cot 2(Theta) = 5/12 with 0 (less than or equal to) 2(Theta) (Less than or equal to) Pi, find the cos(Theta), sin(Theta), and tan(Theta).

asked by Marie on August 3, 2012
73. Algebra

Verify the identity. Justify each step. tan (thetA) + cot (thetA) = 1 / sin (thetA) cos (thetA)

asked by Chris on May 7, 2019
74. Trigonometrt

Express in functions of theta: a. sin ( 810- theta) b. cot ( theta - 360) c cos (-180- theta)

asked by Fern Angel on April 9, 2016
75. MATH

prove tan (theta/2)= (sin(theta))/(1+cos(theta))for theta in quadrant 1 by providing the calculation along with the reason. I appreciate the help.

asked by LIZZIE on January 29, 2014
76. 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
77. 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
78. 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 28, 2014
79. Math (Right Triangle Trig)

Suppose tan(theta)=5/7 and theta belongs to Quadrant III, find the exact value of sec(theta)? I already took the steps to solve this problem but I am confused if whether or not sec(theta)is positive or negative sqrt(74)/7 Any help is greatly appreciated!

asked by Giovanni on June 5, 2016
80. Maths

Find the value of theta: -810Cos(theta) + 135 + 2430 Sin(theta)Cos(theta) = 0 Can someone please show me how to simplify it to find the value of theta? Thanks!

asked by Claire on January 26, 2010
81. math

Find the exact values of sin 2theta, cos 2 theta and tan 2 theta when cot theta = 4/3

asked by Jim on April 9, 2012
82. trig

If the point (-3,0) lies on the terminal side of angle theta in standard position find: a) csc theta b) cot theta

asked by Anonymous on January 26, 2012
83. Trig

find the algebraic expression that is equal to sin (-theta) sec(-theta) cot(-theta)

asked by Amanda on March 24, 2016
84. math

a right triangle has an acute angle(theta) suck that cot(theta)=15. find cos(theta)

asked by brenna on March 18, 2013
85. 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
86. math

theta is a first quadrant angle in standard position and cos theta = 1/(sqrt10) . Find the exact value of sin theta,

87. math

Another: theta is a second quadrant angle in standard position and tan theta = - (sqrt5)/(2) . Find the exact value of cos theta.

88. Trig

suppose tan theta equal 4 and theta lies in the third quadrant. find the values of sec theta

asked by Broskie on September 13, 2013
89. math

if csc theta= -5/3 and theta has its terminal side in quadrant III, find the exact value of tan 2 theta.

asked by hannah on February 8, 2011
90. Trig

If tan theta = a/b, where a and b are positive, and if theta lies in quadrant III, find sin theta

asked by Eka on January 29, 2016
91. math

given that csc(theta) =-3 and cos(theta)>0, find the remaining 5 trigonometric functions of theta. i have my triangle graphed in the fourth quadrant but I'm getting confused because of the negatives...

asked by Preston on August 28, 2011
92. precalc pre ap

If theta is a rotation angle that terminates in quadrant ll and sin of theta is 5/13, find cos of theta and tan of theta. Use the first Pythagorean identity to solve for cos of theta and use quotient identity to solve for tan of theta.

asked by lore on December 2, 2012
93. Math

1)Find cos theta if sin theta=3/5 and 90 degrees

asked by Jon on February 13, 2008
94. Math

Does 'using the unit circle' just mean that I use these: In Quadrant I, theta=beta In Quadrant II, theta=180-beta In Quadrant III, theta=180+beta In Quadrant IV, theta=360-beta Because the whole lesson we did was about that sort of thing, which is all

asked by anonymous on October 26, 2010
95. Math

If the theta lies in quadrant 2 and sin theta equals 1/5, find sec theta

asked by Bob hill on May 19, 2016
96. Trig

Help please! Thank you! If csc(theta)= -2 and theta lies in Quadrant III, find tan(theta).

asked by Mandy on February 7, 2012
97. Maths

Find all the values of theta between 0 degree and 360 degree, and state the quadrants in which they exist. (a)cos theta=-0.71 (b)tan theta=1.732

asked by Shane on April 5, 2013
98. Trig

1. Establish the identity: sin(theta+3pi/2)=-cos(theta) 2. Find the exact value of 2(theta) if sin(theta)=5/13 3. Show that: csc2(theta)-cot2(theta)=tan(theta) 4. Find the exact value of tan(cos^-1(square root of 3/2) 5. Approximate the value rounded to

asked by Brittany on December 7, 2011