Question

If tan=-3/4, sin<0, cos=?

Answer 1

oh haha you had a typo huh?

Answer 2

yeah sorry haha

Answer 3

ok set up a triangle in 4th quadrant

\[\sin \theta = \frac{-3}{r}\]

Answer 4

thank you thank you

Answer 5

your welcome

Answer 6

drawing the triangles and using SOH CAH TOA can really help make these problems easy

Answer 7

right so cos would just be 4/r?

Answer 8

yep

Answer 9

thanks a lot!