JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

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Application +4 | -1

In a

\triangle A B C, \frac{\cos C+\cos A}{c+a}+\frac{\cos B}{b}

is equal to

View answer and explanation

Correct option: B

\frac{1}{b}

Option B (

\frac{1}{b}

) is correct because it simplifies to

\frac{1}{b}

using projection formulas after substituting the cosine values.

More Questions from PROPERTIES OF TRIANGLES

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A

2 s