Pls answer this expert Share with your friends Share 0 Ankita Agarwal answered this Dear student We have,1+sinθ1-sinθRationalise the denominator=1+sinθ1-sin2θ using a+ba-b=a2-b2=1+sinθcosθ=1cosθ+sinθcosθ=secθ+tanθhence option a is correct Regards 0 View Full Answer