In the diagram below angle A is in standard position Find si

In the diagram below, angle A is in standard position. Find sin A. a, sin (A) - b.sin (A) OC.sin (A) 5 d. sin (A) e, sin (A) -25

Solution

terminal point is B(4,3)

x=4, y=3

r=[x²+y²]

r=[4²+3²]

r=[16+9]

r=25

r=5

sin(A)= y_/r

sin(A)= 3_/5