differentiation

Question: If $x = a\sin 2\theta (1 + \cos 2\theta ),y = b\cos 2\theta (1 - \cos 2\theta )$, then $\frac{{dy}}{{dx}} = $

1) $\frac{{b\tan \theta }}{a}$

2) $\frac{{a\tan \theta }}{b}$

3) $\frac{a}{{b\tan \theta }}$

4) $\frac{b}{{a\tan \theta }}$

Solution:

Explanation: Explanation

Implicit-function

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