TS EAMCET 6-Aug-2021 Shift 1 Question Paper

Section: Mathematics
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Question : 22 of 160
 
Marks: +1, -0
In a Δ ABC, if cos‌A+cos‌B+cos‌C = a+b‌sin‌
A
2
‌sin
‌
B
2
‌sin
‌
C
2
, then a+b =
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