Question

find the exact value of cos 135 degrees
a. -1
b. -square 2/2
c.1
d. square 2/2

Answer 1

@Directrix

Answer 2

hi do you know your unit circle?

Answer 3

kindof... and hey

Answer 4

its okay to take a look at a cheat sheet

Answer 5

i dont have one.. tho

Answer 6

if you type in unit circle into google you can easily find one, but take a look at the one i sent you

Answer 7

wow so thats the answer -square 2/2

Answer 8

yes, depending on what kind of math class you are in i would suggest memorizing the unit circle

Answer 9

thanks so much

Answer 10

no problem