# calculus

What is the nth derivative of sinhx and coshx?

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1. The derivative of sinh(x) is cosh(x), and the derivative of cosh(x) is sinh(x)

So the nth derivative of sinh(x) is cosh(x) if n is odd; and the nth derivative of sinh(x) is sin(x) if n is even

The nth derivative of cosh(x) is sinh(x) if n is odd; and the nth derivative of cosh(x) is cosh(x) if n is even

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2. Nth derivatives of cosh2x

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