- Thread starter
- #1

- Thread starter Elissa89
- Start date

- Thread starter
- #1

- Mar 1, 2012

- 662

find the cosine, then use a form of the Pythagorean identity ...I know how to find the cos(theta) between two vectors but I do not know how to find the sin(theta).

vector w=i+3j

vector v=<5, 2>

$\sin{t} = \sqrt{1-\cos^2{t}}$