Continuity and DifferentiabilityHard

Question

If y = sinn x cos nx, then dy/dx equals-

Options

A.n sinn-1 x. cos (n + 1) x
B.n sinn-1 x. sin (n + 1) x
C.n sinn-1 x. cos (n − 1) x
D.n sinn-1 x. cos x

Solution

-

Create a free account to view solution

View Solution Free
Topic: Continuity and Differentiability·Practice all Continuity and Differentiability questions

More Continuity and Differentiability Questions

Let f(x) = , x ≠ 0 and f(0) = 1. The value of a and b so that f is a continuous function are -...The value of k so that f(x) = is continuous at x = 0 is-...Which of the following functions is not differentiable at x = 0-...Let f(x) = , then -...The function f(x) = sin-1(tan x) is not differentiable at -...