AP EAPCET 25-Aug-2021 Shift 2 Paper

Section: Mathematics
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Question : 71 of 160
 
Marks: +1, -0
If the function f(x)=a‌sin(x)+
1
3
‌sin
(3x)
attains maximum value at x=
Ï€
3
, then ' a ' equals _______
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