Find the derivative of cos x from first principle.
Let f(x) = cos x. Accordingly, f(x + h) = cos (x + h)
By first principle,
= -sin(x)
10
Find the derivative of cos x from first principle.
Let f(x) = cos x. Accordingly, f(x + h) = cos (x + h)
By first principle,
= -sin(x)