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UPSC NDA I 2024 Mathematics Solved Paper

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Question : 25

Total: 120

If a,b,c are the sides of triangle ABC, then what is
|

a2	bsin‌A	csin‌A
bsin‌A	1	cos‌A
csin‌A	cos‌A	1

|‌. equal to ? ‌

Zero
Area of triangle
Perimeter of triangle
a2+b2+c2

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