9000032110 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

9000032110

Accepted:

1

Clonable:

0

Easy:

1

Evaluate

\cos (\frac{π}{4})

.

\frac{\sqrt{2}}{2}

0

- \sqrt{3}

- \frac{\sqrt{2}}{2}

- 1

\sqrt{3}