What is the value of $\cos 60^{\circ }$?

Step-by-step solution

1. Recall the definition of cosine for the special angle $60^{\circ }$: $\cos 60^{\circ }=\frac{1}{2}$.
2. Therefore the value is $0.5$.

Concept tested: Trigonometric value of 60°

Published 22 August 2026 · How this solution was prepared and checked

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