Question

if tanø= -4/3 in quadrant II, what is cosø?

Answer 1

@hartnn

Answer 2

hi! we can draw a right triangle in quadrant 2 .

Answer 3

or if you want @hartnn I will step away

Answer 4

no please, go ahead!

Answer 5

anyone that can help me is fine:)

Answer 6

this is what the triangle looks like with the given info

Answer 7

to find cos(theta)
you need to know the adjacent side (this is given)
and the hyp

Answer 8

adjacent is on the -3, right?

Answer 9

yes sir

Answer 10

so whats next

Answer 11

you need the find the hyp

Answer 12

this length that I just drew in black