Question

which of these angles is coterminal 3pi/2 ?

Answer 1

its when they have the same side...

Answer 2

Im headed off OS, but ill call someone in here that can help :) @jim_thompson5910

Answer 3

start by adding 2pi to 3pi/2

what do you get?

Answer 4

5pi

Answer 5

2pi + 3pi/2

4pi/2 + 3pi/2

???

Answer 6

7pi/2

Answer 7

so that's not on the list

Answer 8

let's go in the other direction and subtract off 2pi from 3pi/2

3pi/2 - 2pi = ??

Answer 9

-pi/2?

Answer 10

or just pi/2

Answer 11

remember that 2pi = 4pi/2

Answer 12

yeah

Answer 13

so is it pi/2? or -pi/2 ?

Answer 14

pi/2 because there isnt a -pi/2

Answer 15

3pi/2 - 2pi isn't pi/2 though

Answer 16

i know its negative

Answer 17

3pi/2 - 2pi

3pi/2 - 4pi/2

???