Question

How do you find Sin(ø) if (-2,3) is on the terminal side?

Answer 1

0.832

Explanation:

Consider the right triangle OMm, with M(-2, 3)
Mm = 3; Om = -2.
Hypotenuse `OM = sqrt(9 + 4) = sqrt13`
Call t the angle < mOM -->
`sin t = (Mm)/(OM) = 3/(sqrt13) = 0.832`