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Evaluvate 16 sin20^@ sin40^@ sin80^@...

Evaluvate `16 sin20^@ sin40^@ sin80^@`

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The value of sin20^@ sin40^@ sin60^@ sin80^@

sin40^(@)-sin200^(@)+sin280^(@)=

sin40^(@)-sin200^(@)+sin280^(@)=

sin20sin40sin80

Prove that: sin20^(@)sin40^(@)sin80^(@)=(sqrt(3))/(8)

Prove that sin20^(@)sin40^(@)sin80^(@)=(sqrt(3))/(8)

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

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