Saturday
April 18, 2015

Homework Help: Trig hep, please? Thank you!

Posted by Michelle on Saturday, August 17, 2013 at 10:51pm.

1. Find the exact value of sin(195(degrees))

2. If cot2(delta)=5/12 with 0(<or =)2(delta)pi, find cos(delta), sin(delta) , tan(delta).

3.find the exact value of sin2(x) if cos(x)= 4/5. (X is in quadrant 1)

4. Find the exact value of tan2(x) if sin(x)=5/13. ((X) in quadrant 2)

5. Solve sin2(x)+sin(x)=0 for 0<or=x<or=2pi.

6. Write 2sin37(degrees)sin26(degrees) as a sum (or difference).

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