Question

if cos0=-40/41 and sin0=9/41 what is the value of tan0 in quadrant 2

Answer 1

Let's draw a picture.

Answer 2

would it be -40/9

Answer 3

Not exactly.
\[\LARGE tan \theta=\frac{opp}{adj}\]

Answer 4

use this
\[1 + \tan ^{2} \theta = \sec ^{2}\theta \]
it gives u the most advance answer