A Math · Secondary 3 · Hard · Trigonometric equations
The equation cscx−1+cosxsinx=3tanx is to be solved for 0∘≤x≤360∘. Using the identity cscx=sinx1, which of the following is the correct simplified equation in terms of tanx?
cotx=3tanx
cotx=tanx3
tanx=3cotx
tanx=31cotx
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