1.

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

Answer»

If x = sec θcos θ,y= sec10θcos10θ, and

(x2+4)(dydx)2 = k(y2+4), then k is equal to




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