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Physics · Trigonometry

Evaluate the trigonometric expression: √(2 + √(2(1 + cos(4θ))))

Verified Solution4 OptionsUpdated: October 2026

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1√(2 cos(θ))
2√2 cos(θ)
32 cos(2θ)
42 cos(θ)✓

Correct answer

2 cos(θ)

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Evaluate the trigonometric expression: √(2 + √(2(1 + cos(4θ))))

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