AP EAPCET 18th May 2023 Shift 2 Solved Paper

Section: Mathematics
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Question : 27 of 160
 
Marks: +1, -0
In △ABC, if A,B,C are in arithmetic progression, then ‌
c
a
s
i
n
‌2A
+‌
a
c
s
i
n
‌2C
=
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