1.Let A={θ:sinθ=tanθ}A = \{ \theta : \sin \theta = \tan \theta \}A={θ:sinθ=tanθ} and B={θ:cosθ=1}B = \{ \theta : \cos \theta = 1 \}B={θ:cosθ=1} be two sets. Thena.A=BA = BA=Bb.A⊂BA \subset BA⊂B and B−A≠∅B - A \neq \varnothingB−A=∅c.B⊂AB \subset AB⊂Ad.B⊄AB \not\subset AB⊂ALogin to continueOnly logged in users canattempt or see the solution.