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Q-10 Exercise-11.4 |If cosecθ + cotθ= k then prove that cosθ= k²-1/k²+1 |Class-10 Trigonometry|
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Q-10 Exercise-11.4 |If cosecθ + cotθ= k then prove that cosθ= k²-1/k²+1 |Class-10 Trigonometry|
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