JEE Mains Model Paper 25

© examsiri.com
Question : 71 of 90
 
Marks: +1, -0
If the angles A, B and C of a triangle are in an arithmetic progression and if a, b and c denotethe lengths of the sides opposite to A, B and C, respectively, then the value of the expression
a
c
sin2C +
c
a
sin2A is
Go to Question: