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KCET 2017
MCQ (Single Correct Answer)
+1
-0
If $\tan ^{-1} x+\tan ^{-1} y=\frac{4 \pi}{5}$, then $\cot ^{-1} x+\cot ^{-1} y$ is equal to
Questions Asked from Inverse Trigonometric Functions (MCQ (Single Correct Answer))
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Physics
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