Answers

2014-08-29T09:16:22+05:30
In LHS divide each term by cosФ
then the 1 you get in denominator change it into 
sec²Ф-tan²Ф
write 
sec²Ф-tan²Ф in the form of (secФ-tanФ) and (secФ+tanФ)
so on solve it

0
u have to do it and show. not just an advice.
ok sir but i dont know how to type the symbols of mahts
there is a button with Pi symbol on it, when are in the answering window. Next to that you have T button and Omega button too. Click on Pi to get equation editor.