Mathematics

$$\int _{ 0 }^{ \pi /3 }{ \dfrac { \tan { \theta  }  }{ \sqrt { 2k\sec { \theta  }  }  }  } d\theta =1-\dfrac { 1 }{ \sqrt { 2 }  }$$. Then $$k$$ is-


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$$3$$


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Single Correct Medium Published on 17th 09, 2020
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