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[" The value of "sin36^(@)sin72^(@)sin10...

[" The value of "sin36^(@)sin72^(@)sin108^(@)sin144^(@)" is equal "],[" to "],[[" (a) "(1)/(4)," (b) "(1)/(16)," (c) "(3)/(4)," (d) "(5)/(16)]]

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Value of sin36^(@) is

sin36^(@)sin72^(@)sin108^(@)sin144^(@)=(5)/(16)

sin 36^(º)sin 72^(º) sin108^(º) sin 144^(º) =

sin 36^(º)sin 72^(º) sin108^(º) sin 144^(º) =

The value of sin10^(@)+sin20^(@)+sin30^(@)...+sin360^(@) is equal to -

The value of sin10^(@)+2sin20^(@)+sin30^(@)+….+sin360^(@) is equal to