Verify that the following equation is an identity. sin 12a=4 sin 3a cos 3a cos 6a To verify the identity, start with the more

Question

Verify that the following equation is an identity.
sin 12a=4 sin 3a cos 3a cos 6a
To verify the identity, start with the more complicated side and transform it to look like the other side. Choose the correct transformation and transform the expression at each step.

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