Question

(sec theta + cos theta)(sec theta - cos theta) =tan square theta + sin square theta

Answer 1

heya..
_______
=sec^2 theeta - cos^2 theeta
=1+tan^2 theeta-(1- sin^2 theeta)
=1+tan^2 theeta-1+sin^2 theeta
=tan^2 theeta+sin^2 theeta
hope it helps

Answer 2

HOPE IT HELPS YOU...

@RUKSHI..