Mark M. answered 07/05/19
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
cos 4θ + cos 2θ
2 cos 3θ cos θ
cos 4θ - cos 2θ
-2sin 3θ sin θ
-cot 3θ cot θ
Shirley V.
asked 07/05/19
= _____
-cot3θcotθ
-2cot3θcotθ
cot6θcot2θ
-1
Mark M. answered 07/05/19
Mathematics Teacher - NCLB Highly Qualified
cos 4θ + cos 2θ
2 cos 3θ cos θ
cos 4θ - cos 2θ
-2sin 3θ sin θ
-cot 3θ cot θ
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