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

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Question 1168593: sin(u) = 5/13, 𝜋2 < u < 𝜋
find Sin(u/2)
Cos(u/2)
Tan(u/2)

Answer by ikleyn(52799)   (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.


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