Trigonometry

posted by .

Given that sin alpha = 15/17 and
-360 <alpha<360 find all values of alpha to two decimal places. Help Please!

  • Trigonometry -

    If sin(α)>0, then
    0<α<π.
    So α1 = asin(15/17)=1.0808 radians
    and
    α2 = π-α1.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. trig

    express 20sin theta + 4 cos theta as R sin(theta + alpha) R sin(theta + alpha) = R cos(alpha)sin(theta) + R sin(alpha)cos(theta) ----> Rcos(alpha) = 20 Rsin(alpha) = 4 The x-y coordinates of a point on a circle of radius R that …
  2. trig

    Please find sin (alpha/2) and cos (alpha/2) sec alpha = 3, -pi/2 < alpha < 0
  3. trig

    FInd the exact value pf the 6 trig function of alpha Given: point (-2,-6) on the terminal side of the angle in standard position sin alpha cos alpha tan alpha sec alpha csc alpha cot alpha
  4. trigonometry

    given that sin alpha/2 = 2/3, and that alpha/2 is in quadrant II, determine the exact values of all trig functions for alpha.
  5. Trigonometry

    Prove that tan^2(alpha)-1+cos^2(alpha)sin^2(alpha) Please Explain
  6. Trigonometry

    Find the counterexample to shows that the equation sec (alpha) - cos (alpha) = sin (alpha) sec (alpha) is not an identity. Please explain.
  7. Trigonometry

    Write cos(-83degrees) as a function of a positive angle Prove that tan^2(alpha)-1+cos^2(alpha)=tan^2(alpha)sin^2(alpha)
  8. precal

    when solving for all solutions how do I work out this problem: cos4(alpha)=cos2(alpha) and when verifying each identity how do I complete this problem: sin (alpha/2)=sec alpha -1/2sin (alpha/2)sec alpha
  9. trig

    evaluate the following in exact form, where the angeles alpha and beta satisfy the conditions: sin alpha=4/5 for pi/2 < alpha < pi tan beta=7/24 for pie < beta < 3pi/2 answer choices A. sin(beta+alpha) B. tan(beta-alpha) …
  10. algebra

    if sin alpha is 0.28° where 0° is less than or equal to alpha less than or equal to 90°, evaluate cos alpha, tan alpha, sec alpha, cosec alpha and cot alpha. please help, it's urgent.

More Similar Questions