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Home  >>  CBSE XII  >>  Math  >>  Model Papers
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If $ \sin\: \{ \sin^{-1}\large\frac{1}{5}$$+\cos^{-1}x \} = 1 $, then find the value of x.

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Tool box:

\[Sin^{-1}x+Cos^{-1}x=\frac{\pi}{2}\]

\[Sin\frac{\pi}{2}=1\]

Ans:

\[x=\frac{1}{5}\]
answered Feb 14, 2013 by rvidyagovindarajan_1
 

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