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If sin^2 10^@ xx sin 20^@ xx sin 40^@ xx...

If `sin^2 10^@ xx sin 20^@ xx sin 40^@ xx sin 50^@ xx sin 70^@ = alpha - sin 10^@/16` then find value of `alpha`

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

The value of sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) is

(i) sin10^(@)sin50^(@)sin70^(@)

Find 1-sin10^(@)sin50^(@)sin70^(@) .

If sin alpha=(4)/(5) , then find the value of sin 2 alpha .

The value of sin 50^(@) - sin 70^(@) + sin 10^(@) is

The value of sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) is equal to .

Prove that sin10^(@) sin 30^(@) sin 50^(@) sin 70^(@)=1/16

"sin" 10^(@)+"sin" 20^(@)+"sin" 40^(@)+"sin" 50^(@)="sin" 70^(@)+"sin" 80^(@) .

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