Posted by PLEASE:( on .
If the given point is on the terminal arm of an angle A in stadard position. 0 degrees more than or equal too A and less than or equal too 180 degree, find sin A and cos A:
a) (6,8) b) (5,12)
Can you tell me how you get it because I do not understand it at all please help!

URGENTANIUS!! 
Reiny,
answered
look at your previous post