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प्रश्न
Prove the following identity :
sinθcotθ + sinθcosecθ = 1 + cosθ
उत्तर
sinθcotθ + sinθcosecθ = 1 + cosθ
LHS = `sinθcosθ/sinθ + sinθ1/sinθ`
= cosθ + 1 = RHS
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