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[" The value of "],[sin20^(@)sin40^(@)si...

[" The value of "],[sin20^(@)sin40^(@)sin60^(@)sin80^(@)" is "],[[" (a) "-(3)/(16)," (b) "(5)/(16)," (c) "(3)/(16)," (d) "(1)/(16)]]

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Find sin20^(@)sin40^(@)sin60^(@)sin80^(@) .

sin20^(@)+sin40^(@)-sin80^(@)=

The value of sin20^@sin 40^@sin 60^@sin 80^@ is

sin 20^(@) sin 40^(@) sin 60^(@) sin 80^(@) =(3)/(16)

Find the value of sin 20^@ sin 40^@sin 80^@

sin 20^(@) sin 40^(@) sin 60^(@) sin 80^(@) = .............. A) (-3)/(16) B) (5)/(16) C) (3)/(16) D) (-5)/(16)

The value of (2sin40^(@).sin50^(@).tan10^(@))/(cos 80^(@)) is