trigonometry

2,128 results, page 4

  1. Trigonometry

    The expression 2x^3(4-3x)-5x(x-2) is equal to? *Please show me the steps to solve this problem! Thanks!
  2. Math/Trigonometry

    What is the angular displacement of 1.6 revolutions? Round to the nearest tenth.
  3. trigonometry

    what is the diameter of three circle inscribed in a triagle whose base is 50 cm.
  4. trigonometry

    express secA in terms of cotA? can you pleas say how to solve this??
  5. Trigonometry

    verify the identity: (sin^3x-cos^3x)/(sinx-cosx)=1+sinxcosx
  6. Trigonometry

    Find all solutions on the interval (0,2pi): 2-2cos^2=sinx+1
  7. Trigonometry

    Verify Identity: cos5x-cos3x=-8sin^2x(2cos^3x-cosx)
  8. trigonometry

    Evaluate and round your answer to the nearest hundredth. csc(-120o)
  9. Trigonometry

    If sinA + sinB = a and cosA + cosB = b, find the value of tanA-B/2
  10. Trigonometry

    In a right triangle, CT = 6, CA = 3, and m<CAT = 90. What is the value of cot C ? CT= hypo CA= Opp.
  11. Trigonometry

    Given triangle ABC with gamma = 61.0°, Beta = 29.0°, and b = 20.5, find the value of a. A. 9.94 B. 11.4 C. 42.3 D. 37.0
  12. Precalculus with Trigonometry

    Draw and solve any triangles satisfying alpha = 20 degrees b = 10 c = 16
  13. Precalculus with Trigonometry

    Prove or disprove the following identity: cos (x+pi/6) +sin (x-pi/3) = 0
  14. trigonometry

    find acute angle A and B satisfying secAcotB-secA-2cotB+2=0
  15. Trigonometry

    In a triangle ABC, if 2sinB=sinA+sinC and sides a+c=70, what is side b?
  16. math

    Trigonometry - determine the area of a parallelogram in which 2 sides are 10 and 13 and the angle between them is 55
  17. Trigonometry

    What are the exact solutions within the interval [0,2pi)? sin2x=cosx
  18. trigonometry

    classify the graph of the equation -4y^2+5X+3y+7=0 as a circle, a parabola, an ellipse, or a hyperbola.
  19. Pre-Calculus/Trigonometry

    Help me please, just explain. How would I find f(1)? f(1)= x; -3, -2, -1, 0, 1, 2 f(x); 3.4, 0, -1.2, 0.4, 1.3, 1.7
  20. Math - Trigonometry

    I need help proving this identity 2sin^2x - 1 = sin^2x - cos^2x
  21. trigonometry

    Solve sin(x)=−0.89 on 0≤x<2π There are two solutions, A and B, with A < B
  22. math trigonometry

    Simplify cos180*sin225*cos80/sin170*tan135
  23. India international, Mathis trigonometry

    If sec0-tan0=4 Then prove that cos0= 8/7
  24. Trigonometry

    27. Solve for all radian solutions. sinx = −2cos x
  25. Trigonometry

    A wheelchair ramp is 4.4m.It rise is 1.2m.What is it angle of elevation to the nearest degree.
  26. Trigonometry

    Find real numbers a and b such that the equation (a- 2)+(b+5)i=14+19i is true.
  27. math

    Could anyone give me the List of équations in trigonometry chapter that needs to je remmembered
  28. Trigonometry

    Write the following as an algebraic expression in u, u>0. cos(arctan(u/sqrt2))
  29. trigonometry

    find soultuion in degree, use exact value 1. cos2xcosx+sin2xsinx=-1/2
  30. Maths Trigonometry

    Solve the following equation for 0<x<2Pi: (answer has to be in radians) sec (x + [pi/10]) =-5
  31. Trigonometry

    Find the average rate of change for the function between the give values. f(x)=-4x + 8; from 1 to 2
  32. Math (Trigonometry)

    Find csc B when a - 2 and b = 7 (A detailed answer would be really helpful)
  33. Pre-Calculus/Trigonometry

    Sketch an angle in standard position 7Pie Divided by 12
  34. trig

    evaluate the trigonometry function using its period as an aid cos(-7pi/3)
  35. Trigonometry

    Hi,how do I find both solutions of the equation cos41 = 0.35 between degrees 0 and 360? Many thanks
  36. Trigonometry

    Solve △ABC, given a = 4.4, b = 9.1, and c = 5.7. Round your answer to the nearest tenth.
  37. Trigonometry

    Determine the number of triangles ABC possible with the given parts. b=60 a=82 B=100
  38. trigonometry

    how can i find the anti-logarithm of this number. 5.07843058944 it should be 59477.5 can show me how.
  39. Trigonometry

    rewrite the expression in terms of the first power of cosine. cos^3(x)sin^4(x)
  40. Trigonometry

    Okay, Assume the triangle has the given measurements. Solve for the remaining sides and angles. A = pi/6; a = 17.4; b = 19.6
  41. trigonometry

    Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.
  42. trigonometry

    Find a complex number a + bi such that a^2 + b^2 is irrational. Justify and explain your reasoning.
  43. trigonometry

    Use De Moivre’s Theorem to simplify each expression. Write the answer in the form a + bi. {1 - i(/3)}^4
  44. trigonometry

    state the amplitude, period and phase shift of the function y=tan (20-80 degrees)
  45. trigonometry

    Calculate the perimeter of the inscribed square given that the radius of the circle is 3 feet.
  46. Math - Trigonometry

    Sketch the curve represented by the parametric equations x=3cos¦È and y=3sin¦È for 0 ¡Ü ¦È ¡Ü ¦Ð?
  47. Trigonometry

    Express 3 rad in degree measure and approximate to four significant digits
  48. Trigonometry

    Find the domain of each function. And show your steps please. f(x)=x/x^2+1 f(x)=2x^2/x-3 f(x)=Square root of 5-x f(x)=x^3/x^2-16
  49. Trigonometry

    Find the domain of the function. Write your answer using infinity and union. f(x)=x/x^2+1 f(x)=2x^2/x-3
  50. Trigonometry

    Find all solutions between 0 and 2pi to tan(x)=-Squareroot3 exactly.
  51. trigonometry

    How do you draw only the top half of a circle in parametric mode on a TI-84 calculator?
  52. college trigonometry

    verify identity: (tanx-cotx)/sinxcosx=sec^2x csc^2x
  53. Trigonometry

    Solve the equation for all values of x. -2cos²x-sin x+1=0, on the interval [0,2π).
  54. Trigonometry

    Solve the equation for all values of x. 2sin(2x)-√3=0, on the interval [0,2π).
  55. trigonometry

    Express in radians the period of the graph of the equation y = 1/3(cox^2 x−sin^2 x).
  56. Trigonometry question?

    Let ABCD be a square, and let M and N be the midpoints of BC and CD respectively. Find sin<MAN.
  57. Trigonometry

    If sinx−cosx=1/2 then cot^2 (2x)=a/ b, where a and b are coprime positive integers. What is the value of a+b ?
  58. Trigonometry

    Given that cos(3x)=acos^x−bcosx is a trigonometric identity, what is the value of a+b ?
  59. Trigonometry

    Given that cos(3x)=acos^3(x)−bcos(x) is a trigonometric identity, what is the value of a+b
  60. trigonometry/classification of tringles

    an equilateral tringle given a side 3cm long
  61. trigonometry

    Through how many degrees does the minute hand of a clock moves in 5 minutes? In 1 1/2 hours?
  62. trigonometry

    graph y=-3sec(2x-pi/3)proved the period vertical translation and the phase shift
  63. Trigonometry

    Find the perimeter of a pentagon circumscribed about the circle that has a radius of 1.5 units.
  64. Pre-Calculus/Trigonometry

    Help please What is the slope of the line that passes through (1,0) and is parallel to y = 3x + 5?
  65. Pre-Calculus/Trigonometry

    Express the following function, F(x) as a composition of two functions and f and g. f(x)= x^2/(x^2+4)
  66. Trigonometry

    A little confused on this one... Find the amplitude and the period of h(x) = 1/2 cos (-πx).
  67. Trigonometry

    Find the exact solutions of the equation in the interval [0, 2π). (4 sin x)(cos x)=1
  68. Trigonometry

    Use a double-angle formula to rewrite the expression. 6 sin x cos x
  69. Trigonometry

    The wheelchair ramp is 4.4 m long. It rises 1.2 m. What is its angle of inclination to the nearest degree?
  70. Trigonometry

    Suppose I'm graphing a graph like j(x) = -2 sin 4x. How can I tell if the origin is an x-intercept for it?
  71. math trigonometry

    Prove the identity Sin^3X sinx*cos^2X=tanx/cosX
  72. math trigonometry

    Prove the identity Sin^3X+sinx*cos^2X=tanx/cosX
  73. discrete mathematics

    can you give an example of indirect proof in trigonometry using the identities.
  74. Trigonometry

    In a right triangle normal is 40cm,hypotenuse is 44.Find the value of base?
  75. trigonometry

    Find the length of the arc intercepted by the angle 50-degree inch in a circle of 6m
  76. Trigonometry

    Solve the equation 6sin^2 x-sin x=0 , if x belongs to the half open interval [0,2 ).
  77. Trigonometry

    Write an equation of sin with amplitude = 2, period = 2pi, and vertical shift = 5
  78. Trigonometry

    Find all solutions of the equation in the interval(0-360) Tan(0-30degrees)= -5
  79. Trigonometry

    consider the polar coordinates (3,4pi/3). Find the equivalent rectangular coordinate.
  80. Grade 12 Trigonometry

    Determine an exact value for the expression sinπ/6 tanπ/3 ÷ cscπ/4
  81. Grade 12 Trigonometry

    Determine an exact value for the expression sec4π/3*cot5π/6-tan3π/4
  82. Trigonometry half angles

    Tan75/2 ka solution dena sir lekin vistar se
  83. Trigonometry

    Given that sin^2x = 4/13, what is the cos^2x? I am so lost. I need to show my work. Please help. THANK YOU!
  84. Trigonometry

    use a calculator to solve on the interval 0 less than or equal to 0 < 2pi. 1. sin0 = 0.4 2. cos0 = 0.6
  85. algebra and trigonometry

    find the dimensions of a rectangle having perimeter 14m and diagonal of length 5m
  86. trigonometry

    Use a compound angle formula for cosine to show that cos2x = cos^2x - sin^2x
  87. Trigonometry

    How do I solve these? 1) 2sinxcosx-cosx=0 2) cos^2(x)-0.5cosx=0 3) 6sin^2(x)-5sinx+1=0 4) tan^2(x)+tanx-12=0
  88. Trigonometry/ Please Help

    Find two exact values of sin(cosˉ¹√5/6)
  89. trigonometry

    what does it mean to correct to five decimal places? 0.386174381 0.707929058 0.757944616 0.205573683
  90. Trigonometry

    Express the following in radians: f.1025degrees. --> (pi/180)*1025 = -185pi/36 Is that correct or theirs another way to do it ??
  91. Trigonometry

    Express the following in radians: f.1025degrees. --> (pi/180)*1025 = -185pi/36 Is that correct or theirs another way to do it ??
  92. Math Trigonometry

    determine the amplitude and period of each function. 1) y = 3sin (2x-pi/2) 2) y = -3sin2 (x-pi/4) 3) y = 2cos (2x+pi) 4) y = -2cos2 (x+pi/2)
  93. trigonometry

    how tall is a tree if it costs a shadow 59 degrees 24 minutes 41 inches on the ground 40 meter?
  94. trigonometry

    I need help!!!! In the right triangle shown below, OG = 7, DG = 8, and m<DOG = 90. What is the measure of <G to the nearest minute?
  95. trigonometry

    what is th decimal equiavalent of three degrees of a 90 degree angle with a .1666 long base
  96. Trigonometry

    Find all solutions of the equation in the interval [0,2pi] algebraically. sin^2x + cosx + 1 = 0
  97. trigonometry

    The second hand of a clock is 3 cm long. How far does the tip travel in 2 min. 15 seconds?
  98. Trigonometry

    How do you solve the equation 5√3 secθ = 10 in degree measure? please explain.
  99. trigonometry

    A ship sails 15.0 mi on a course S40°10’W and then 21.0 mi on a course N28°20’W. Find the distance and direction of the last position from the first.
  100. trigonometry

    A ship sails 15.0 mi on a course S40°10’W and then 21.0 mi on a course N28°20’W. Find the distance and direction of the last position from the first.
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