10
The point (3,-4) is on the terminal side of an angle 0. What is cose?
O A.
3
B.
3
4
C.
D. -
O E.

do you have the measurements?

0.02040816326

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.