$\cos{\left(45^{\circ} \right)}$

The calculator will find the cosine of

45

degrees.

Find $\cos{\left(45^{\circ} \right)}$ .

$\cos{\left(45^{\circ} \right)} = \cos{\left(\frac{\pi}{4} \right)} = \frac{\sqrt{2}}{2}\approx 0.707106781186548$ A

For graph, see the graphing calculator.

cos⁡(45∘)\cos{\left(45^{\circ} \right)}cos(45∘)