SOLUTION: 2cos(13h/2)cos(5h/2) is the same thing as cos(13h)cos(5h)...Right?

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Question 916878: 2cos(13h/2)cos(5h/2) is the same thing as cos(13h)cos(5h)...Right?
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


No.

John

My calculator said it, I believe it, that settles it

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