Question

Given the tan (a) =15/8 find the sin

Answer 1

Well if they give us tan so that means the triangle is

b=15, a=8... So now we need C
So use the pythagorean theorem 
8^2 + 15^2 = c^2
c=17

So now sin is OPP/HYP so
sin (a) = 15/17 = .88