" he value of "sin(pi)/(10)sin(13 pi)/(10)

The value of sin""(pi)/(10)sin""(13pi)/(10) is

The value of sin""(pi)/(10)sin""(13pi)/(10) is

The value of sin""(pi)/(10)sin""(13pi)/(10) is

Find the value of (a) sin(pi)/(10)+sin(13pi)/(10) (b) cos^(2)48^(@)=sin^(2) 12^(@)

Find the value of (a) sin(pi)/(10).sin(13pi)/(10) (b) cos^(2)48^(@)-sin^(2) 12^(@)

sin((pi)/(10))sin((3pi)/(10))=?

The value of sin(pi)/(14)sin(3 pi)/(14)sin(5 pi)/(14)sin(7 pi)/(14)sin(9 pi)/(14)sin(11 pi)/(14)sin(13 pi)/(14) is equal to

sin(pi/10)sin((13pi)/10)=

The value of sin""(pi)/(14).sin""(3pi)/(14).sin""(5pi)/(14).sin""(7pi)/(14).sin""(9pi)/(14).sin""(11pi)/(14).sin""(13pi)/(14) is

sinpi/10+sin(13pi)/(10)=?