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if the angles A ,B ,C of a triangle are in AP and if a,b,c denotes the lenght of the side opposite to A, B , C respectively then the value of the expression a/c *sin2C + C/a * Sin2A is ?

Mathematics
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A+B+C=180 A+C=2B B=.... ?
B=60
how about hit and trial.. assume the angles are 60,60,60 so final ans becomes sqrt3 ! :P please confirm..

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Other answers:

Yes..)
but i did nt get u..)
from sine rule, c/a =... ? then c/a *(2sin A cos A )= .. ?
Ha...Silly...i got it..:)
wasn't it easy ? ;)
what means AP ?
Arithmetic Progression if, a,b,c are in AP, then 2b=a+c
actually, if a,b,c in AP then the triangle have sides 3x, 4x, 5x. it means the right triangle. right ?
how did u come up with sides 3x, 4x, 5x ? and angels are in AP, not sides....
OPSS... i look ur coment before hartnn :)

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