The general values of theta satisfying ...

The general values of `theta` satisfying the equation `2sin^2theta-3sintheta-2=0` is `(n in Z)dot` `npi+(-1)^npi/6` (b) `npi+(-1)^npi/2` `npi+(-1)^n(5pi)/6` (d) `npi+(-1)^n(7pi)/6`

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The general value of theta satisfying cot theta=-sqrt(3) and cos theta = sqrt(3)/2 is (A) npi+pi/3 (B) npi- pi/3 (C) 2npi+pi/6 (D) 2npi- pi/6

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