February 22, 2017

Homework Help: trigonometry

Posted by yoshi on Tuesday, December 18, 2012 at 10:50am.

3. write tan (π/4-β) as a function of β only.

8. write cos(λ+ π/3) as a function of λ only.

16. Write cos(–83°) as a function of a positive angle.

23. Write sin(125°) in terms of its cofunction. Make sure your answer is a function of a positive angle.

31. Find the exact value of sin(195°).

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