Mathematics · Trigonometry
The expression sin4θ + cos4θ can be written in terms of sinθ as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12sin 4 θ - 2sin 2 θ + 1✓
- 22sin 4 θ - 2sin 2 θ - 1
- 32sin 4 θ - 2sin 2 θ
- 42sin 4 θ + 2sin 2 θ - 1
Correct answer
2sin 4 θ - 2sin 2 θ + 1
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