2010016408 | math4u.vsb.cz

SubArea:

Sine, cosine, tangent and cotangent

Level:

Project ID:

2010016408

Source Problem:

Accepted:

0

Clonable:

1

Easy:

1

Consider the function

f (x) = cotg x

with domain restricted to the interval

(0; π)

. In the following list identify the function with domain

(0; \frac{π}{2})

.

f (2 \cdot x)

f (x + 2)

f (x - 2)

f (\frac{x}{2})