SOLUTION: Find the exact value of the trigonometric expression given that sin(u) = 12/13
and cos(v) = − 8/17.(Both u and v are in Quadrant II.)
cos(v − u)
Algebra ->
Trigonometry-basics
-> SOLUTION: Find the exact value of the trigonometric expression given that sin(u) = 12/13
and cos(v) = − 8/17.(Both u and v are in Quadrant II.)
cos(v − u)
Log On
Question 1172167: Find the exact value of the trigonometric expression given that sin(u) = 12/13
and cos(v) = − 8/17.(Both u and v are in Quadrant II.)
cos(v − u) Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Half angle formulas on Wikipedia covers this very well.
-------------
What is the point of having someone do them for you?
====================
PS There are a LOT of formulas. I remember some of them, but not all.
There's no good reason to try to memorize all of them, and I doubt that anyone can.
