
Cos/Sin Problems
None of the Problems can contain a Trig Identity...
cos(t)=5/6
pi<t< 3pi/t
Give exact answers, do not use decimal numbers. The answer should be a fraction or an arithmetic expression. If the answer involves a square root it should be enter as sqrt; e.g. the square root of 2 should be written as sqrt(2).
Unknowns:
Sin(2t)=?
Cos(t/2)=?
sin(t/2)=?


RE:Thanks so Much!!
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Thanks

Re:
Dude I don't think you realize how much easier you have made this for me. I have but in 20 plus hours over the past 2 days, and for the first time since reading you post this is now clicking. Gosh I really, really thank you for help.