Question

Find the measures of two angles, one positive and one negative, that are coterminal with pi divided by two.

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
@ganeshie8 @mathmate @jagr2713

Answer 1

Adding/subtracting \(2\pi\) from the angle won't change the position of the point.

Answer 2

what do u mean?

Answer 3

@ganeshie8

Answer 4

@mathmate help plz

Answer 5

Understanding the definition of "coterminal angles" would help a lot in solving this question. See following link for further help. Do not forget @ganeshie8 's hint.

http://www.icoachmath.com/math_dictionary/coterminal_angles.html