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If x = sec θ−cos θ,y= sec10θ−cos10θ, and (x2+4)(dydx)2 = k(y2+4), then k is equal to |
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Answer» If x = sec θ−cos θ,y= sec10θ−cos10θ, and (x2+4)(dydx)2 = k(y2+4), then k is equal to |
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