Test Academy | The derivative of f(x) = cos(x) can be estimated using the approximation .The percentage error is calculated as . The percentage error in the derivative of f(x) at x = π/6 radian, choosing h = 0.1 radian, is > 1% and < 5%, < 0.1%, > 0.1% and

Question

The derivative of f(x) = cos(x) can be estimated using the approximation .The percentage error is calculated as . The percentage error in the derivative of f(x) at x = π/6 radian, choosing h = 0.1 radian, is