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Yahoo!
 3 years ago
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 ?
Yahoo!
 3 years ago
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 ?

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hartnn
 3 years ago
Best ResponseYou've already chosen the best response.3A+B+C=180 A+C=2B B=.... ?

shubhamsrg
 3 years ago
Best ResponseYou've already chosen the best response.0how about hit and trial.. assume the angles are 60,60,60 so final ans becomes sqrt3 ! :P please confirm..

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.3from sine rule, c/a =... ? then c/a *(2sin A cos A )= .. ?

Yahoo!
 3 years ago
Best ResponseYou've already chosen the best response.1Ha...Silly...i got it..:)

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.3Arithmetic Progression if, a,b,c are in AP, then 2b=a+c

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.0actually, if a,b,c in AP then the triangle have sides 3x, 4x, 5x. it means the right triangle. right ?

hartnn
 3 years ago
Best ResponseYou've already chosen the best response.3how did u come up with sides 3x, 4x, 5x ? and angels are in AP, not sides....

RadEn
 3 years ago
Best ResponseYou've already chosen the best response.0OPSS... i look ur coment before hartnn :)
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