Question
$\begin{aligned} \text { If } x &=x=2 \cos \theta-\cos (2 \theta) \text { and } \\ y &=2 \sin \theta-\sin 2 \theta, \text { prove that } \end{aligned}$
Step 1
We get: \[\frac{dx}{d\theta} = -2\sin\theta + 2\sin(2\theta)\] \[\frac{dy}{d\theta} = 2\cos\theta - 2\cos(2\theta)\] Show more…
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