2010016405 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

2010016405

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

In the following list identify a true statement about the function

f (x) = \cos x

, where

x \in [- \frac{π}{2}; \frac{π}{2}]

.

The function

f

is neither increasing nor decreasing.

The function

f

is decreasing.

The function

f

is increasing.

The function

f

is increasing and decreasing.