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सिद्ध कीजिए की " " sin 75^(@) - si...

सिद्ध कीजिए की
` " " sin 75^(@) - sin 15^(@) =cos 105^(@) +cos 15^(@)`

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( sin 75^(@) - sin 15^(@))/( cos 15^(@) - cos 75^(@))=

Prove that sin 75^(@) - sin 15^(@) = cos 105^(@) + cos 15^(@)

sin15^(@)+cos105^(@)=?

sin75^(@)-sin15^(@)=cos105^(@)+cos15^(@)

(cos 15^(@) + sin 15^(@))/(cos 15^(@) - sin 15^(@)) =

cos15^(@)+cos105^(@)=

Simplify (sin 75^(@)-sin 15^(@))/(cos 75^(@)+cos 15^(@))

cos 15^@+ cos 105^@ =?

Simplify (sin75^(@)-sin15^(@))/(cos75^(@)+cos15^(@))

Simplify (sin75^(@)-sin15^(@))/(cos75^(@)+cos15^(@))