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Basic Differentiation Rule

If x=2cost-co...

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If x=2cost-cos2t,y=2sint-sin2t then at t=180°/4,dy/dx is equal to

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x = 2 cos t + cos 2 t

y = 2 sin t - sin 2 t

\frac{d y}{d x}

t = \frac{π}{4}

x = 2 cos t - c o s 2 t, y = 2 sin t - sin 2 t,

find the value of

d y / d x

.

Q. If x = 2sint - sin2t, y= 2cost-cos2t, then the value of

\frac{d^{2} y}{d x^{2}}

t = \frac{π}{2}

Q. If x = 2 cos t − cos 2t, y = 2 sin t − sin 2t, find

\frac{d^{2} y}{d x^{2}} at t = \frac{π}{2}

x = 2 cos t - cos 2 t

y = 2 sin t - sin 2 t

find the value of

y

(t = \frac{π}{2})

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