Question: 12. 1-/1 Points DETAILS Use the power-reducing formulas to rewrite the expression in terms of first powers of the cosines of multiple angie sin(2x)

12. 1-/1 Points DETAILS Use the power-reducing formulas to rewrite the expression in terms of first powers of the cosines of multiple angie sin(2x) cos(2x) Need Help? Pest) 115.5.031. 13. [-/1 Points) DETAILS LARPCALC115.5.053. Use the sum-to-product formulas to rewrite the sum or difference as a product cos x cos Need Help? Camera C 14. [-/1 Points] DETAILS LARPCALC115.5.056.MI. Use the sum-to-product formulas to find the exact value of the expression. cos 120 + cos 60"

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