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Home  >>  CBSE XII  >>  Math  >>  Model Papers
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Using principal values, evaluate \( tan^{-1} \bigg( tan\frac{7\pi}{6} \bigg). \)

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\[Tan^{-1}tan(\pi+\frac{\pi}{6})=Tan^{-1}tan\frac{\pi}{6}=\frac{\pi}{6}\]
answered Feb 15, 2013 by rvidyagovindarajan_1
 
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