Question

$\cos(60)$
​

Answer 1

$\underline{\underline{\mathfrak{\red{Answer:-}}}}$

cos 60° = $\dfrac{1}{2}$

$\underline{\underline{\mathfrak{\red{Explanation:-}}}}$

In a right triangle,

cosΦ = $\dfrac{Adj.side}{Hyp}$

The values of cos 0°, 30°, 45°, 60° , 90°

cos 0° = 1

cos 30° = $\dfrac{\sqrt{3}}{2}$

cos 45° = $\dfrac{1}{\sqrt{2}}$

cos 60° = $\dfrac{1}{2}$

cos 90° = 0

Answer 2

Answer:

cos(60) = 1/2.............