SOLUTION: How to prove left side equals the right side for: sin3x + sinxcos2x = sinx

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Question 870705: How to prove left side equals the right side for:
sin3x + sinxcos2x = sinx
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
You can't because it's not an identity.
You can solve for the values of when it is true, if that's what you're looking for.
Please repost if that's what you need.
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