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Prove that, sin20^@sin40^@sin80^@=sqrt3/...

Prove that, `sin20^@sin40^@sin80^@=sqrt3/8`.

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

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

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

sin20sin40sin80

Prove that: i) sin20^(@)sin40^(@)sin60^(@)sin80^(@)=3/16 ii) sin10^(@)sin50^(@)sin60^(@)sin70^(@)=sqrt(3)/16 iii) sin20^(@)sin40^(@)sin80^(@)=sqrt(3)/8

Prove that: sin12^(@)sin48^(@)sin54^(@)=1/8

Prove that: sin20^(@)sin40^(0)sin60^(@)sin80^(@)=(3)/(16)

Prove that: sin20^(0)sin40^(0)sin60^(@)sin80^(@)=(3)/(16)

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

Prove that: i) sin50^(@)-sin70^(@)+sin10^(@)=0 ii) sin(60^(@)+A)+sin(60^(@)-A) = sqrt(3)cosA

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  6. Prove that, sin20^@sin40^@sin80^@=sqrt3/8.

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