Each point on this coordinate gird makes a right triangle with the origin, A, and the x-axis. determine the indicated trigonometric ratio in each triangle.

Question

Each point on this coordinate gird makes a right triangle with the origin, A, and the x-axis. determine the indicated trigonometric ratio in each triangle.
A= (0,0) 
P= (-4,3)
1) Sin A and point P

oobleck · Answer

For any angle θ in standard position recall that r^2 = x^2 + y^2 sinθ = y/r cosθ = x/r tanθ = y/x