Vault Of Euclid

Definite Integral of Cosine from 0 to pi/4

The definite integral warmup

Evaluate \( \int_{0}^{\pi/4} \cos x \, dx \).

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What you need first

Basic trigonometric values for standard angles
The antiderivative of the cosine function
The Fundamental Theorem of Calculus

What this problem tests

Tests the student's knowledge of basic antiderivatives and the application of the Fundamental Theorem of Calculus.

This is a standard introductory problem in Calculus I when learning to evaluate definite integrals of basic trigonometric functions.

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