Trigonometric Substitution Calculator

Choose the correct trig substitution for common radical forms.

Last updated: June 2026 | By Patchwork Team

Integral form

Value of a

Calculation steps

Match the radical to the correct form.

Choose the recommended trig substitution.

Use the derivative and identity transformation.

Recommended substitution

x = 1 sin(θ)

What Is Trigonometric Substitution?

Trig substitution rewrites radicals so an integral becomes easier to solve.

They cover the most common radical patterns seen in calculus.

This calculator expects a positive a value.

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