JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

1 Easy

1 of 1

Analyzing +4 | -1

a^3 \cos (B-C)+b^3 \cos (C-A)+c^3 \cos (A-B)

is equal to

View answer and explanation

Correct option: A

3 a b c

Option A (

3abc

) is correct because the expression simplifies to

3abc

using trigonometric identities and the sine rule.

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