AP Precalculuseasymcq1 pt

cos(π/4) equals

A.√2/2
B.1/2
C.√3/2
D.1

Explanation

Core Concept

The 45° cosine value.

Correct Answer

A√2/2

More Unit 3: Trigonometric and Polar Functions practice questions

Try a random question →

Practice more AP Precalculus questions with full explanations

Practice Unit 3: Trigonometric and Polar Functions Questions →