Properties of Triangles
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Question : 13 of 13
Marks:
+1,
-0
In a triangle ABC , if ( a − b ) 2 cos 2
+ ( a + b ) 2 s i n 2
= a 2 + b 2 , then cos A =
[TG EAPCET 9 May 2024 Shift 1]
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