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ONLY ANSWER IF YOU KNOW, SHOW WORK
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ONLY ANSWER IF YOU KNOW, SHOW WORK

ONLY ANSWER IF YOU KNOW, SHOW WORK-example-1
User Shrikant D
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1 Answer

1 vote

Answer:

hello,

Explanation:


cos(3\theta)+cos(4\theta)\\\\=2*cos((4\theta+3\theta)/(2) )*cos((4\theta-3\theta)/(2) )\\\\\boxed{=2*cos((7\theta)/(2) )*cos((\theta)/(2) )}

User Questieme
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