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The number of solutions of `sin^(2)theta=1/2`in `[0,pi]` is ……A. threeB. fourC. twoD. one |
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Answer» Correct Answer - C We have, `sin^(2)theta=1/2!sintheta=pm1/(sqrt2)` We know, `thetain[0,pi]sintheta` is positive `thereforesintheta=sin45^(@),sin(180^(@)-45^(@))`i.e.. `sin135^(@)` |
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