Mathematics · Trigonometry

1 sin 4 (90° - 2α) + 1 cos 2 (90° - 2α) - 1 का मान क्या है?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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sec 2 2α tan 2 2α

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1 sin 4 (90&deg; - 2&alpha;) + 1 cos 2 (90&deg; - 2&alpha;) - 1 का मान क्या है?