Chapter 5: Continuity and Differentiability

Q51Written answer

If x = 3sint – sin 3t, y = 3cost – cos 3t, find

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Given,

x = 3sint – sin 3t, y = 3cost – cos 3t

Now, differentiating both the parametric functions w.r.t t, we have

Q52Written answer

Differentiate x/sinx w.r.t sin x.

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Q53Written answer

Different w.r.t tan^-1 x when x ≠ 0.

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