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" Prove that "(cos15^(@)+sin15^(@))/(cos...

" Prove that "(cos15^(@)+sin15^(@))/(cos15^(@)-sin15^(@))=sqrt(3)

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Prove that (sin75^(@)+sin15^(@))/(sin75^(@)-sin15^(@))=sqrt3

(cos 75^(@)+cos15^(@))/(sin75^(@)-sin 15^(@))=sqrt(3)

(cos 75^(@)+cos15^(@))/(sin75^(@)-sin 15^(@))=sqrt(3)

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

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

Prove that, cos105^(@)+cos15^(@)=sin75^(@)-sin15^(@)

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

Prove that: cos15^@-sin15^@=1/sqrt2

(iii)Prove that (cos15^@-sin 15^@)/(cos 15^@+sin 15^@)=tan 30^@ .