Question

If y = cosθ, then dy/ dx at θ = π will be

Answer 1

Answer:

0

Step-by-step explanation:

y=cosθ;

dy/dx=d(cosθ)/dx ; (since differentiation of cosx= - sinx)

dy/dx= - sinθ;

dy/dx(at θ=π) = - sin(π)=0; (since sin(π)=0)