सिद्ध कीजिए कि √(1 + cos A) /√(1 – cos A) = (1 + cos A) /sin A
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Step-by-step explanation:
√1+cosA/1-cosA
परिमेयकरण करने पर
√(1+CosA)²/(1-Cos²A
√(1+cosA)²/sin²A
√(1+cosA)²/(SinA)²
(1+cosA)/sinA
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