AP EAPCET 07-Jul-2022 Shift 2 Paper

Section: Mathematics
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Question : 76 of 160
 
Marks: +1, -0
For n∈N, If In=∫‌
sin‌n‌x
sin‌x
d
x
=‌
2
n−1
‌sin
(n−1)
‌x
+In−2
and
Ï€
∫
0
‌
sin‌n‌x
sin‌x
d
x
=‌
kπ
2
then k=
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