1003076702 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

1003076702

Source Problem:

Accepted:

1

Clonable:

1

Easy:

1

The domain of the expression

\frac{\cos x}{1 - \sin x}

is the set:

{x \in R : x \neq \frac{π}{2} + 2 k π, k \in Z}

R

{x \in R : x \neq \frac{3 π}{2} + 2 k π, k \in Z}

{x \in R : x = k π, k \in Z}