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Home  >>  EAMCET  >>  Mathematics
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If $\tan (\pi \cos \theta)=\cot (\pi \sin \theta)$ then a value of $ \cos \bigg( \theta-\large\frac{\pi}{4}\bigg)$ among the following is :

\[(a)\;\frac{1}{2\sqrt 2}  \quad (b)\;\frac{1}{\sqrt 2} \quad (c)\;\frac{1}{2} \quad (d)\;\frac{1}{4}\]

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1 Answer

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$(a)\;\frac{1}{2\sqrt 2} $
answered Nov 7, 2013 by pady_1
 

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