Mathematics · Trigonometry

What is sin θ - 2 sin 3 θ 2 cos 3 θ - cos θ equal to?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1tan θ✓
2cot θ
3cos 2θ
4sin 2θ

Correct answer

tan θ

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What is sin θ - 2 sin 3 θ 2 cos 3 θ - cos θ equal to?

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What is sin θ - 2 sin 3 θ 2 cos 3 θ - cos θ equal to?