Question

What quadrants are these in?

-190°

-3π/4

5π/8

Answer 1

II

Answer 2

don't you love how they use roman numerals for the quadrants?

Answer 3

III

Answer 4

for the second one

Answer 5

and II for the last one

Answer 6

it is just counting. recognize what pi/4 looks like, start on the unit circle at (1,0) and count clockwise (because it is -3pi/4)

Answer 7

look at the circle at the end of the trig cheat sheet here
http://tutorial.math.lamar.edu/cheat_table.aspx