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Properties of Triangle question

2010 · Shift 1 · Q39

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PYQ Library
JEE Advanced
Mathematics
Properties of Triangle
2010 · Shift 1 · Q39

Properties of Triangle question

2010 · Shift 1 · Q39

JEE AdvancedMathematicsProperties of TriangleMCQ+4 / −1

If the angles

A, B

and

C

of a triangle are in an arithmetic progression and if

a, b

and

c

denote the lengths of the sides opposite to

A, B

and

C

respectively, then the value of the expression

{a \over c}\sin 2C + {c \over a}\sin 2A

is

A
${1 \over 2}$
B
${{\sqrt 3 } \over 2}$
C
$1$
D
${\sqrt 3 }$

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