R D Sharma Solutions for Chapter: Graphs of Trigonometric Functions, Exercise 3: EXERCISE 6.2

Sketch the graphs of the following functions:
$f\left(x\right)=\mathrm{c}\mathrm{o}\mathrm{t}2x$

Sketch the graphs of the following functions:
$f\left(x\right)=2\mathrm{s}\mathrm{e}\mathrm{c}\pi x$

Sketch the graphs of the following functions:
$f\left(x\right)={\tan }^{2}x$

Sketch the graphs of the following functions:
$f\left(x\right)={\cot }^{2}x$

Sketch the graphs of the following functions:
$f\left(x\right)=\cot \frac{\pi x}{2}$

Sketch the graphs of the following functions:
$f\left(x\right)={\sec }^{2}x$

Sketch the graphs of the following functions:
$f\left(x\right)={\mathrm{c}\mathrm{o}\mathrm{s}\mathrm{e}\mathrm{c}}^{2}x$

Sketch the graphs of the following functions:
$f\left(x\right)=\tan 2x$