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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