If in a Δ ABC a cos ²(C/2) + c cos ²(A/2) = 3b/2, then the sides a, b and c:

Properties of Triangle: JEE Main 2003 Mathematics question

JEE Main 2003 · Annual, Paper 1 · Q5035

JEE Main 2003Annual, Paper 1MathematicsEasyProperties of Triangle19× since 2002

If in a

\Delta ABC

a\,{\cos ^2}\left( {{C \over 2}} \right) + c\,{\cos ^2}\left( {{A \over 2}} \right) = {{3b} \over 2},

then the sides

a, b

and

c

JEE Main 2003 · Annual, Paper 1 · Q5035

JEE Main 2003Annual, Paper 1MathematicsEasyProperties of Triangle19× since 2002

If in a

\Delta ABC

a\,{\cos ^2}\left( {{C \over 2}} \right) + c\,{\cos ^2}\left( {{A \over 2}} \right) = {{3b} \over 2},

then the sides

a, b

and

c