C-09-Q103mediumsingle_mcq(tanθ+secθ)2=?(\tan\theta + \sec\theta)^2 = ?(tanθ+secθ)2=?a1+sinθ1−sinθ\dfrac{1 + \sin\theta}{1 - \sin\theta}1−sinθ1+sinθbব্যাখ্যাExpanding, (tanθ+secθ)2=(sinθ+1cosθ)2=(1+sinθ)2cos2θ=(1+sinθ)21−sin2θ=(1+sinθ)2(1+sinθ)(1−sinθ)=1+sinθ1−sinθ.