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" 67.Prove that sin "10^(@)sin30^(@)sin5...

" 67.Prove that sin "10^(@)sin30^(@)sin50^(@)sin70^(@)=(1)/(15!).quad " 80."quad 80.quad " sin "

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Prove that sin10^(@)sin30^(@)sin50^(@)sin70^(@)=1//16 .

Prove that: sin10^(0)sin30^(0)sin50^(@)sin70^(@)=(1)/(16)

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

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

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

value of sin10^(@)sin30^(@)sin50^(@)sin70^(@)

Prove that, sin10^(@)+sin50^(@)-sin70^(@)=0

sin10^(@)sin30^(@)sin50^(@)sin70^(@)sin90^(@)=

Prove that sin50^(@)-sin70^(@)+sin10^(@)=0

Prove that sin 10^(@) + sin 50^(@)-sin70^(@)=0