UPSEE Solved Model Paper 3

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Question : 125 of 150
 
Marks: +1, -0
Direction : We have,
x < 0 x ≥ 0
π
2
sin1x < 0
0 ≤ sin1x
π
2
π
2
< cos1x ≤ π
0 ≤ cos1x
π
2

The principle value of sin1(sin
4π
3
)
+cos1(
4π
3
)
is
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