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" (ii) "sin50^(@)-sin70^(@)+sin10^(@)=0...

" (ii) "sin50^(@)-sin70^(@)+sin10^(@)=0

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

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

sin 50 ^(@) - sin 70^(@) + sin 10^(@)

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

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

Prove that sin 50^(@) - sin 70^(@) +sin 10^(@) =0 .

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

sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) sin 90^(@)=

sin10^(@)+sin20^(@)+sin40^(@)+sin50^(@)-sin70^(@)-sin80^(@)=