Problem

Problem

If 2cos⁡θ+22=3sec⁡θ2 \cos \theta + 2\sqrt{2} = 3 \sec \theta , where θ∈(0,2π)\theta \in (0, 2\pi) , then which of the following can be correct? a. cos⁡θ=12\cos \theta = \frac{1}{\sqrt{2}} b. tan⁡θ=1\tan \theta = 1 c. sin⁡θ=−12\sin \theta = -\frac{1}{\sqrt{2}} d. cot⁡θ=−1\cot \theta = -1

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