Q12 of 147 Page 191

Find dy/dx, if y = 12 (1 – cos t), x = 10 (t – sin t),

To find we need to find out and


So,


Given, y = 12 (1 – cos t) and x = 10 (t – sin t)


x = 10 (t – sin t)


Differentiating with respect to t.



⇒


y = 12 (1 – cos t)


Differentiating with respect to t.



⇒


∴


∴


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