9000032008 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

9000032008

Accepted:

1

Clonable:

0

Easy:

1

Evaluate

cotg (- \frac{3 π}{2})

.

0

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

\sqrt{3}

undefined

1

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