Derivative of sinhx: Formula, Proof | sinhx Derivative

The derivative of sinhx, denoted by d/dx(sinhx), is equal to coshx. In this post, we will learn how to differentiate sinh(x), i.e, how to find the derivative of the hyperbolic sine function with respect to x.

The derivative formula of sinhx is given as follows:

d/dx[sinhx] = coshx.

Derivative of sinhx

Before differentiating sinh(x), let us first recall that

  1. sinh x = (ex – e-x)/2
  2. cosh x = (ex + e-x)/2

Table of Contents

Find the Derivative of sinhx

We know that

sinhx=exex2.

Differentiating both sides with respect to x, the derivative of sinh x will be equal to

ddx(sinhx) =ddx(exex2)

ddx(sinhx) = 12[ddx(ex)ddx(ex)] by the linearity of derivatives.

ddx(sinhx) = 12 [ex – (-e-x)] as we know that ddx(emx)=memx

= (ex + e-x)/2

= cosh(x), by the above Formula (2).

Hence the derivative of sinh(x) is equal to cosh(x).

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FAQs

Q1: What is the derivative of sinhx?

Answer: The derivative of sinhx is coshx, that is, d/dx(sinhx) = coshx.

Q2: If y=sinh(x), then find dy/dx?

Answer: If y=sinh(x), then dy/dx = cosh(x).

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