Mathematics · Trigonometry
Simplify the following expression: &sqrt;(2 + &sqrt;(2 + 2cos 4θ)) for 0 ≤ θ ≤ π/4.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sin θ
- 2cos θ
- 3cos 2θ
- 42cos θ✓
Correct answer
2cos θ
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