Question: In Exercises 1-4, use a double-angle formula to rewrite the expression. 1. 6 sin x cos x 2. sin x cos x 3. 6 cos2

In Exercises 1-4, use a double-angle formula to rewrite the expression.
1. 6 sin x cos x
2. sin x cos x
3. 6 cos2 x − 3
4. cos2 x 1 / 2

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