A) \[\pi \]
B) \[7\pi \]
C) 0
D) 10
Correct Answer: A
Solution :
\[x={{\sin }^{-\,1}}\,(sin10)=3\pi -10\] |
\[y={{\cos }^{-\,1}}\,(cos10)\] |
\[=4\pi -10\] |
\[y-x=\pi .\] |
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