Analytic Trig Problem. Can anyone figure this out?

niceninja

New member
I'm having some trouble with this problem. Exact value means i can't just use the calculator to find the degree (right?). sin/cos = tan, but none of the unit circle values create a (-3) when divided. Is it really simple and I'm not seeing it...or is it a toughie..?

Please show some work so i can learn from you..?
Thanks! =)


Find the exact value of the following, given.. tan a = -3, /2 a , and cot b = -3, 3/2 < b < 2

Sin ( a + b) =_____

Cos ( a - b) =_____

Tan ( a + b) =_____

Sin 2a = _____
 
Back
Top