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CUSAT 2022 BTech Solved Paper Shift 1

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Question : 163 of 200
 
Marks: +1, -0
If
sin‌−1(x−‌
x2
2
+‌
x3
4
−‌
x4
8
+...)+cos−1(x2−‌
x4
2
+‌
x6
4
−‌
x4
8
+...)=‌
Ï€
2
for 0<|x|<√2, then x equals
Validate
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