Properties of Triangles

Section: Mathematics
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Question : 13 of 13
 
Marks: +1, -0
In a triangle ABC , if (a−b)2cos2‌
C
2
+(a+b)2sin‌2‌
C
2
=a2+b2
, then cos‌A=
[TG EAPCET 9 May 2024 Shift 1]
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