alg/trig

4,424 results, page 10
  1. alg application

    two cars leave the station at 9:00 am. the first car head due south at an avg speed of 54mph. the second car heads due west at an avg speed of 72mph. how far apart will the cars be at 1:00pm? my solution: 360mi is this correct
  2. Alg.2

    The membership to your local video store is flat rate of $10/year and the DVD rental rate is $3.95/DVD. Write an equation that models the total amount of money you will spend on DVD rentals this year. How many DVD's can you rent if you spend $500/yr.?
  3. Algerbra 2

    I am doing a worksheet for my alg. 2 class and in the worksheet it says: 'Simplify the expression. Assusme all variable are positive.' the problem is perentheses, square root of six times the power of 3 square root of six perentheses power of six!
  4. alg

    Sound intensity (loudness) varies inversely as the square of the distance from the source. If a rock band has a sound intensity of 100 decibels 25 feet away from the amplifier, find the sound intensity 50 feet away from the amplifier.
  5. ALG WORD PROBLEM

    The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 9 amperes when the resistance is 940 ohms. What is the current when the resistance is 580 ohms? Thank you yet again. Almost through with this
  6. alg

    identify the conic section. if its a parabols give the vertex if its a circle, give the center and radius. if it is an ellipse or a hyperbola, give the center and foci. again my teacher said the answer is ellipse with center (-4,4), foci at (-4± V3, 4)
  7. Trig

    if tan(x)=9/4, find cos(x) if pi<x<3pi/2
  8. Trig

    What are some real life applications of logarithims?
  9. trig

    if A+B=45 degree show that (cos A-1)(cotB-1)=2.
  10. algebra/trig

    x^2+2x-15=0 solve by completing the square
  11. trig

    using the given point (9, squareroot 19) find the value of cosx
  12. trig

    y=sin pie divied by 2 theta
  13. Trig

    What are some real life applications of logarithims?
  14. Trig

    How to find all solutions for 3tan^22x-1=0?
  15. Trig

    cos x cot = csc - sin
  16. Trig

    Find the area of quadrilateral whose verties are A(0,2), B(2,7), C(6,10), and D (9,-2).
  17. trig

    find the exact radian of 84 degrees
  18. trig

    how to do this? how much does this equals? 2cos160*cos140*cos100
  19. trig

    find the limit of the sequence if it exists tn= 6/n
  20. trig

    Convert 11pi/5 radians into degrees.
  21. trig

    use pythagorean theorem to solve for the value of x and y of a 60-60-60 degrees.
  22. TRIG

    What is the 6th term of the geometric series with a1= -5 and r=2.5
  23. trig

    (1) tan^2x(1+cot^2x)= _____________ (1-sin^2x)
  24. trig

    is there a lowest or least cosine of a triangle with sides of 4,5,and 6? such as: .78, .72...
  25. Trig

    (Tan/cot)- (sec/cos)
  26. Trig

    4x+y=​0, x≥0 help finding Sin, Cos, Tan for this
  27. math

    simplify sin(540-2x) this is to do with trig
  28. trig

    x^2 - 3y^2 - 8x + 12y + 16 = 0 What is the center and the domain of the equation?
  29. Trig

    Solve:cos^2x=1 for 0 < x is less than or equal to 2pi
  30. trig

    Why are the quadrants situated and numbered the way they are.What is the purpose.
  31. trig

    Find the dot product of u and v u= 3i+7j v= 11i-5j
  32. trig

    find the supplimentary angle of pie over 8
  33. trig

    Determine whether the vectors are parallel, perpendicular or neither. 1) v = (4,1), w = (1,-4) 2) v = (2,3), w = (4,6) 3) v = (2,3), w = (3,-3) Please and thanks!
  34. Trig

    give the value of tan(arctan x+1/x-1+arctanx-1/x)
  35. trig

    give and exact value for cos(2pi/3)
  36. Trig

    If = 58° and m = 120 in, what is the value of n to the nearest tenth of an inch?
  37. Trig

    cos4x*cos3x + sin4x*sin3x
  38. trig

    tanx sin^2x capital sigma [0,2p]
  39. Math (Trig)

    What does sec^2(-2) equal? Can you explain why?
  40. trig

    Find the value of theta (in radians) corresponding to the point (6,-8)
  41. Trig

    Find the area of a triangle whose vertices are A(0,2), B (2,7), C (0,10).
  42. Trig/algebra2

    ab-bc+ad-dc/ab+bc+ad+dc Simplify and state the domain
  43. trig

    for the graph of y=-5sin x/2, state frequency
  44. trig

    if sin and sec of theta are less than zero what quadrant is it in
  45. trig

    How can I find the exact value of 4cos(7ð/4)-2sin(ð/3)?
  46. trig

    solve for x if x is in radians. cos2(x) + 4cos(x) = -3
  47. trig

    How do i solve Cos (4x)(2+tan^2X0 = 8?
  48. Trig math

    How do I solve for x? cos(4x)(2+tan^2x)=8
  49. trig

    sec8A-1/sec4A-1=tan8A/tan2A
  50. trig

    find the value of cosec(-120 degrees)
  51. equations trig

    8sin^2x+sinxcosx+cos^2x=4
  52. algrebra 2 / trig

    solve the triangle a=1 b=2 C=50 degrees
  53. Precal/trig

    sina=3/5, pi/2<a<pi evaluate cos2a
  54. Trigonometry

    Use trig form to find quotient 3/(2+3i)
  55. trig

    what is the classified given angle of 177 degrees?
  56. trig

    4 costheta +3sintheta=5,4sintheta-3costheta=WHAT
  57. trig

    Find the exact value of Cos(sin-1ã(3/2))
  58. Inverse Trig

    What is the general solution to y = arcsin 0?
  59. trig

    sin2xcosx-sinx=0 interval(0,2pi)
  60. Trig

    Ok i understand how to do these I'm just stuck on this one: secx + tanx = 1
  61. trig

    my last question was supposed to say 0 degrees instead of ) sorryyy
  62. trig

    Convert 11pi/5 radians into degrees.
  63. trig

    cos@-4SIN@=1 then sin@+4cos@=
  64. trig

    find the limit of the sequence if it exists tn= 6/n
  65. Trig

    Multiply and Simplify. ( 1 + cot θ )^2
  66. trig

    solve the equation 2sin^2X - 3sinX= -1
  67. Trig

    Cos(2theta)=-1/2 There are 6 solutions, how do i solve this?
  68. Trig

    What is the sum of the arithmetic series where n=50 , t1=9 and t2=331
  69. Inverse Trig

    What is the general solution to y = arcsin 1?
  70. trig

    1=2pi times the square root of (L/9.8)
  71. Trig

    Rewrite 6x^2 - sqrt(3)xy + 5y^2 - 9 = 0 with the xy term eliminated.
  72. trig

    for a tangent graph is one of the asymptotes AWLAYS at - pi/2 ?
  73. trig

    csc^4-cot^4= 1+cos^2/sin^2 i need help! please help me
  74. trig

    Please graph the following function: y = tan (2(theta) + (pi)) + 1
  75. Trig

    Convert 2xy = 1 to polar form.
  76. Trig/algebra2

    ab-bc+ad-dc/ab+bc+ad+dc Simplify and state the domain
  77. Trig

    What expression represents the same value as sin 19(degrees)?
  78. trig

    cos 8 degrees fo feet 25 inches??
  79. Pre-Calc/Trig

    How would I solve this one? I just can't get this one. 6x^2+11x-35=0
  80. trig

    simplify the expression. cot^2(x)-csc^2(-x)
  81. trig derivatives

    How do I find the derivative of 6 + 8cosx?
  82. trig

    Tan x cot x -1=1-sec x cos x
  83. Trig

    Solve 2cos sq x = 1 using the unit circle.
  84. trig

    tan^2(5x)cos^4(5x) = 1/8 - 1/8cos(20x)
  85. Trig

    the center of a circle x^2 + y^2 + 8y =1 is a. (0,-2) b. (0,4) c. (0,1) d. (0,-4) I believe the answer is (0,4) Am I correct ?
  86. trig

    tan^2(5x)cos^4(tx = 1/8 - 1/8cos(20x)
  87. Trig

    The center of the circle (x+2)^2 + (y-3)^2 =1 is a. (2,3) b. (-2,3) c. (2,-3) d. (-2,-3) I believe b. is the answer, is that correct?
  88. trig

    If (m+2)sin ø + (2m-1)cos ø = 2m+1 then tan ø is equal to
  89. trig

    If sin = -3/5 with A in QIV, find cos A/2
  90. trig

    how do i find cosX if i am given sin x= -4/5 and tan <o???
  91. trig

    Multiply and simplify. (cos x - sin x)^2
  92. trig

    Describe the changes in the graph of the following funciton h(t) = sin(4/3 - 2t)
  93. Pre-Calc/Trig

    Have i solved this correctly? x^2+3x-28=0 (x+7)(x-4)=0 x=-7 or 4
  94. Pre-Calc/Trig

    How would I solve this? x^2+10x+24=0
  95. Trig/ algebra 2

    if f(x) = sin4x-cos2x, find f(pi/8)
  96. trig

    Solve system of inequalities by graphing Y<2-x Y>x+4
  97. Pre-Calc/Trig...

    Solve using any method. 1. 2x^2+5x-3=0 2. -x^2+x+1=0
  98. trig

    I need help finding derivatives and antiderivatives. Given: f(x),find f'(x) 1. f(x)-2x^6 2. f(x)= -3x +7 3. f(x)= 3x^2 - 5x 4.f(x)= 1/2x^2 - x + 4
  99. trig

    For which angles ¦È, with 0¡ã ¡Ü ¦È ¡Ü 180¡ã, is sin 3¦È = -1? How do I set this up?
  100. algebra-trig help asap

    x=sec^-1 2 I really need help with this problem. Thanks

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