Solve the following equations :sin x -3 sin 2x + sin 3x = cos x - 3 cos 2x + cos 3x .

Solve the following equations : $\sin x - 3 \sin 2 x + \sin 3 x = \cos x - 3 \cos 2 x + \cos 3 x$ .

Matching exercise

Match the items on the right to the items on the left.

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STEP 5