prove that cosA / 1-sinA=1+cosA+sinA/1+cosA-sinA
Answers
Answered by
1
hey there....here is answer of the question u ask after this one....
Attachments:
soham200336:
l ask some question
slove cos X + sin X = cos 2X + sin 2X
slove cos 3X- cos2X= sin3X
Similar questions