SOLUTION: sin(u) = 5/13, 𝜋2 < u < 𝜋 find Sin(u/2) Cos(u/2) Tan(u/2)

Algebra ->  Trigonometry-basics -> SOLUTION: sin(u) = 5/13, 𝜋2 < u < 𝜋 find Sin(u/2) Cos(u/2) Tan(u/2)      Log On


   

Question 1168593: sin(u) = 5/13, 𝜋2 < u < 𝜋
find Sin(u/2)
Cos(u/2)
Tan(u/2)
Answer by ikleyn(52795) About Me  (Show Source):
You can put this solution on YOUR website!
.

Use the formulas for trigonometric functions of half argument.

For these formulas,  see the lessons
    - FORMULAS FOR TRIGONOMETRIC FUNCTIONS
    - Trigonometric functions of half argument
    - Trigonometric functions of half argument - Examples
in this site.