Verify that the equation is an identity. sin 2D cos 2D = sin 2D-4 sin ³D cos D To verify the identity, rewrite the more

Question

Verify that the equation is an identity.
sin 2D cos 2D = sin 2D-4 sin ³D cos D
To verify the identity, rewrite the more complicated side of the equation so that it is identical to the simpler side. Choose the correct transformations and transform the expression at each step.
sin 2D-4 sin ³Dcos D=

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