SOLUTION: A certain circle has an equation of x^2+y^2=25. If the point (5, 0) is on the terminal side, what is the value of sin(theta) at point (-3, 4)

Algebra ->  Trigonometry-basics -> SOLUTION: A certain circle has an equation of x^2+y^2=25. If the point (5, 0) is on the terminal side, what is the value of sin(theta) at point (-3, 4)      Log On


   

Question 987899: A certain circle has an equation of x^2+y^2=25.
If the point (5, 0) is on the terminal side, what is the value of sin(theta) at point (-3, 4)
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
You mean terminal point, not side.

Length of ray is sqrt%28%28-3%29%5E2%2B4%5E2%29=sqrt%289%2B16%29=5, as expected for the terminal point to be on the given circle.

sin%28theta%29=4%2F5