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सिद्ध कीजिए : cos 18^(@) -sin 18^(@)=sq...

सिद्ध कीजिए : ` cos 18^(@) -sin 18^(@)=sqrt( 2)sin 27^(@) `

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Prove that cos 18^(@)-sin 18^(@)=sqrt(2)sin 27^(@)

Prove that cos 18^(@)-sin 18^(@)=sqrt(2)sin 27^(@)

Prove that cos 18^(@)-sin 18^(@)=sqrt(2)sin 27^(@)

If cos18^(@)-sin18^(@)=sqrt(n)sin27^(@) , then n=

If cos18^(@)-sin18^(@)=sqrt(x)sin27^(@) , then x=

Prove that cos18^(@)-sin18^(@)=sqrt(2)sin27^(@) .

Prove that, cos18^(@)-sin18^(@)=sqrt(2)sin27^(@)

cos18 ^ (@) - sin18 ^ (@) =

Prove that: cos18^(@)-sin18^(0)=sqrt(2)sin27^(0)

Prove that: cos18^(@)-sin18^(0)=sqrt(2)sin27^(0)