Question

Find the measures of two angles, one positive and one negative, that are coterminal with pi/2

Answer 1

three pi divided by two; negative pi divided by two

pi divided by two + 360°; pi divided by two - 360°

five pi divided by two; negative pi divided by two

five pi divided by two; negative three pi divided by two

Answer 2

please help

Answer 3

Is this the circle pi thing, I forgot what its called.

Answer 4

the unit circle

Answer 5

ok

Answer 6

im getting pi divided by two + 360°; pi divided by two - 360° am i right

Answer 7

please help

Answer 8

yes

Answer 9

also the last one works