Question

If A=45 B=30 then prove that sinA/cosA+sinA*sinB=2/3

Answer 1

A=45 B=30
sinA/cosA+sinA×sinB
=sin45/cos45+sin45×sin30
1/√2/1/√2+1/√2×1/2
1/√2/1/√2+1/2√2
1/√2/2√2+√2/4
1/√2/3√2/4
1/√2×4/3√2
4/6
2/3

Answer 2

Answer:

here is ur answer DUDE.........