If asked to solve for x for the following: `sin(x)tan(x) +tan(x) - 2sin(x) + cos(x) = 0` are the following solutions correct: `x = (Pi)/(2) , and (3Pi)/(2)` 

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aruv | High School Teacher | (Level 2) Valedictorian

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`2sin^3(x)-2sin^2(x)+sin(x)+1=0`    (i)

So your one aswer is correct x=(3pi)/2

and x=pi/2 is not correct because it will not satisfy (i).

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