1 cos 2 theta is equivalent to（関連順）

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(1 + cot^(2) theta)( 1 - cos^(2) theta)बराबर है | 10 | बहुवैकल्पिक प्रश्न अधिकोष | MATHS | DAS...

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結果 : 1 cos 2 theta is equivalent to