Mathematics · Trigonometry

Evaluate: cos2(45° + θ) + cos2(45° - θ)cosec2(30°) sin2(45°) - sec2(60°)

Verified Solution4 OptionsUpdated: October 2026👁️1 View

112
216
3-16
4-12✓

Correct answer

-12

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Evaluate: cos2(45° + θ) + cos2(45° - θ)cosec2(30°) sin2(45°) - sec2(60°)

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Evaluate: cos2(45° + θ) + cos2(45° - θ)cosec2(30°) sin2(45°) - sec2(60°)

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