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Derivatives of Trigonometric Functions?

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find the derivative of f(x) = 2 cos x - 3 sin x

derivatives
trigonometric-functions

asked Nov 19, 2013 in CALCULUS by harvy0496 Apprentice

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1 Answer

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Given function f(x) = 2 cosx-3 sinx

Apply derivative to each side.

d/dx[f(x)] = d/dx[2 cosx-3 sinx]

= d/dx(2cosx)-d/dx(3sinx)

= -2sinx-3cosx

answered Dec 18, 2013 by david Expert

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