Mathematics · Trigonometry

मान ज्ञात कीजिए: cos2(45° + θ) + cos2(45° - θ)cosec2(30°) sin2(45°) - sec2(60°)

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मान ज्ञात कीजिए: cos2(45° + θ) + cos2(45° - θ)cosec2(30°) sin2(45°) - sec2(60°)

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मान ज्ञात कीजिए: cos2(45° + θ) + cos2(45° - θ)cosec2(30°) sin2(45°) - sec2(60°)

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