Problem

10. Simplify 6sin⁡4θcos⁡4θ as much as possible using a double angle formula.

Answer

Expert–verified
Hide Steps
Answer

3⋅sin⁡8θ=3sin⁡8θ

Steps

Step 1 ：6sin⁡4θcos⁡4θ=3⋅2sin⁡4θcos⁡4θ

Step 2 ：3⋅2sin⁡4θcos⁡4θ=3⋅sin⁡8θ

Step 3 ：3⋅sin⁡8θ=3sin⁡8θ

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