Mathematics, 21.05.2021 17:40 MysteryDove12

Bob is verifying the identity, sin 3x + x) = - cos x. He took these steps: Step 1: sin (31 + x)=sin3A. cosx -cos Tinx
no .
Step 2: = sin
COS X + 0
Step 3: = -1.cos x + 0
He made a mistake at which step? Step

Bob is verifying the identity, sin 3x + x) = - cos x. He took these steps:

Step 1: sin (31 + x)=s

Answers: 3

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Bob is verifying the identity, sin 3x + x) = - cos x. He took these steps: Step 1: sin (31 + x)=sin...