UPSC NDA II 2024 Mathematics Paper

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Question : 23 of 120

Marks: +1, -0

In a triangle ABC ‌

a

cos‌⁡A

=‌

b

cos‌⁡B

=‌

c

cos‌⁡C

What is the area of the triangle if a = 6 cm?

9√3 square cm
12 square cm
18√3 square cm
24 square cm

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