Properties of Trigonometric Functions

Project ID: 
6000000051
Accepted: 
Type: 
Layout: 
Question: 
Match each of the given trigonometric functions with its true property.
Questions Title: 
Functions
Answers Title: 
Properties of functions
Question 1: 
$\mathop{\mathrm{cot}}x$
Answer 1: 

The function has a period of $\pi$.

Question 2: 
$2\sin x$
Answer 2: 

The range of the function is the closed interval $[-2;2]$.

Question 3: 
$-\sin x$
Answer 3: 

The function is increasing on the interval $\left[\frac{\pi}2;\frac{3\pi}2\right]$.

Question 4: 
$\mathop{\mathrm{tan}}\frac x2$
Answer 4: 

The domain of the function is $\left\{x\in\mathbb{R}\colon x\neq2k\pi+\pi\right\}$.

Question 5: 
$\cos x$
Answer 5: 

The function is an even function.

Question 6: 
$-\frac12\cos x$
Answer 6: 

The range of the function is the closed interval $\left[-\frac12;\frac12\right]$.

Tex: 
% tiket 32056 \NastavOD{2} \NastavOT{3}