Kayla M.

asked • 11/18/15

Prove v(3cosx+4sinx)2+(4cosx-3sinx)2 = 5

Proving Basic Problems: I have to prove that one side equals the other using identities.
 
√(3cosx+4sinx)2+(4cosx-3sinx)2 = 5
 
Please show the steps or even try to explain the process to me! :)

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