Statement Solve for 0∘≤θ≤360∘0^\circ\le\theta\le 360^\circ0∘≤θ≤360∘: (a) secθ=2\sec\theta=2secθ=2 (b) cotθ=−1\cot\theta=-1cotθ=−1 Solution (a) secθ=2⇒cosθ=12⇒θ=60∘\sec\theta=2\Rightarrow \cos\theta=\tfrac12\Rightarrow \theta=60^\circsecθ=2⇒cosθ=21⇒θ=60∘ or θ=300∘\theta=300^\circθ=300∘. (b) cotθ=−1⇒tanθ=−1⇒θ=135∘\cot\theta=-1\Rightarrow \tan\theta=-1\Rightarrow \theta=135^\circcotθ=−1⇒tanθ=−1⇒θ=135∘ or θ=315∘\theta=315^\circθ=315∘. θ=60∘, 300∘ (a);θ=135∘, 315∘ (b)\boxed{\theta=60^\circ,\ 300^\circ\ (a);\qquad \theta=135^\circ,\ 315^\circ\ (b)}θ=60∘, 300∘ (a);θ=135∘, 315∘ (b)