JEE MATHEMATICS MCQ: PROPERTIES OF TRIANGLES

1 Hard

1 of 1

Application +4 | -1

If the angles

A, B

and

C

of triangle

A B C

are in arithmetic progression and

a, b, c

represents length of sides opposite to angles

A, B

and

C

respectively, then the value of

\frac{a+c}{\sqrt{\left(a^2-a c+c^2\right)}}

is:

View answer and explanation

Correct option: D

2 \cos \frac{A-C}{2}

Option D is correct because using the given conditions and trigonometric identities, the expression simplifies to

2 \cos \frac{{A-C}}{{2}}

More Questions from PROPERTIES OF TRIANGLES

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{p_1},{p_2},{p_3}

\Delta \;ABC

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\Delta

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k

\Delta \,ABC

a = \left( {b - c} \right)\sec \theta

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\Delta

\Delta \;ABC

\tan A

A

2 s