Derivative of arcsin x

ddx[arcsin⁡(x)]=1−x2+1\frac{d}{dx}\left[\arcsin\left(x\right)\right] = \frac{1}{\sqrt{-x^{2} + 1}}

Derived by implicit differentiation of sin y = x: cos y · y′ = 1, and cos y = √(1 − x²). Only defined for −1 < x < 1.

Derivation

  1. Inverse trig rule

    ddx[arcsin⁡(x)]=1−x2+1\frac{d}{dx}\left[\arcsin\left(x\right)\right] = \frac{1}{\sqrt{-x^{2} + 1}}
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  • f(x) = arcsin x
  • f′(x)

Drag the graph · at x = 0.29 the slope is 1.0449, the height of the dashed curve.

Open in the derivative calculator

Questions students ask

What is the derivative of arcsin x?

ddx[arcsin⁡(x)]=1−x2+1\frac{d}{dx}\left[\arcsin\left(x\right)\right] = \frac{1}{\sqrt{-x^{2} + 1}}.

How do you find the derivative of arcsin x?

Derived by implicit differentiation of sin y = x: cos y · y′ = 1, and cos y = √(1 − x²). Only defined for −1 < x < 1.

What is the integral of arcsin x?

Use the integral calculator to find the antiderivative of arcsin x step by step.