Question

Can anyone help me solve this trig question
show that
2sin(82.5)cos(37.5)=((square root(3)+square root(2))/((2))

Answer 1

sin(a+b) + sin(a-b) = 2sin(a)cos(b) a=82.5 b=37.5 n proceed

Answer 2

let me see

Answer 3

Thanks sail your answer was great.