Question

4) P.T {sin tita*cos(90-tita)*cos tita/sin(90-tita)} + {cos tita*sin(90-tita)*sin tita/cos(90-tita)}

Answer 1

It's theta, not tita

Answer 2

oh! i will post it correctly next time! ;) and can you solve the problem?!

Answer 3

just delete them and repost it with the correct spelling. You'll be surprised at how many people will be willing to help. Also, just use "x" or "t" for short

Answer 4

thanx a lot bro! ;)