1.

If x=sin t and y=cos t find (dy ÷dx)

Answer»

x=sint
Differentiating w.r.t. t, we get,

dx/dt = cos t

y = cos t

Differentiating w.r.t. t, we get,

dy/dt = -sin t

Thus, dy/dx = - sin t / cos t

dy/dx = -tan t



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