Question

x=cost,y=bsint then dy/do=

Answer 1

Given,

x = cost and y = b sint

to find dy/dx

we have,

$\frac{dy}{dx} = \frac{ \frac{dy}{dt} }{ \frac{dx}{dt} }$

Now,

dy/dt = b cos t

and

dx/dt = -sin t

==> dy/dt = (b cos t)/(-sin t)

==> dy/dt = -b cot t

Hope this will help u.