Verify the identity:
cos x + sin x tan x = sec x.
LS
= cosx + sinx(sinx/cosx)
= (cos^2x + sin^2x)/cosx , common denominator is cosx
= 1/cosx
= secx
= RS
cos x + sin x tan x = sec x.
= cosx + sinx(sinx/cosx)
= (cos^2x + sin^2x)/cosx , common denominator is cosx
= 1/cosx
= secx
= RS