Question

What is the period of the following -

http://prntscr.com/b7c2aq

Answer 1

Period is the length of one cycle :

Answer 2

Can you guess the length of that red segment along x axis ?

Answer 3

I'd say one?

Answer 4

@ganeshie8

Answer 5

No

Answer 6

Look at the graph carefully, especially the units on x axis

Answer 7

2?

Answer 8

Blue distance is given as pi
Can you guess the red distance ?

Answer 9

1/2 pi?

Answer 10

@ganeshie8

Answer 11

Yep!
Always pay attention to the units on x and y axes. They tell you a lot!

Answer 12

So the period of the function is pi?

Answer 13

Period is 1/2*pi

Answer 14

or pi/2