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Solve that : (sin75^@+sin15^@)/(sin75^@-...

Solve that : `(sin75^@+sin15^@)/(sin75^@-sin15^@)=sqrt3`

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

4sin75^@-3cos15^@=

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

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

Prove that: cos 105^@+cos15^@=sin 75^@-sin 15^@

sin^2 75^@-sin^2 15^@ =

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

sin15^@cos75^@+cos^(2)15^@=

Evaluate: |(cos15^@,sin15^@),(sin75^@,cos75^@)|

Show that {:|(cos15^@, sin15^@),(sin75^@, cos75^@)|:}= 0