AP EAPCET 20 May 2024 Shift 1 Solved Paper

Section: Mathematics
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Question : 20 of 160
 
Marks: +1, -0
If cos4‌
Ï€
8
+cos4‌
3Ï€
8
+cos4‌
5Ï€
8
+cos4‌
7Ï€
8
=k
then sin‌−1(√‌
k
2
)
+cos−1(‌
k
3
)
=
[AP EAPCET 20 May 2024 Shift 1]
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