Posted by parnas on .
Prove : (sinAcosA+1)/(sinA+cosA1) = (1+sinA)/cosA

trig 
Reiny,
multiply top and bottom of the left side by
(sinA + cosA + 1) and expand carefully
remember sin^2A + cos^2A = 1
and in the bottom replace the
cos^2A with (1sin^2A)