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सिद्ध कीजिए की: (sin 75^(@) - sin 15^...

सिद्ध कीजिए की:
` (sin 75^(@) - sin 15^(@))/( cos 75^(@) +cos 15^(@)) =(1)/(sqrt( 3))` या ` (sin ""(5pi)/( 12)- sin ""(pi)/( 12))/( cos ""( 5pi)/( 12) + cos ""( pi)/(12)) =(1)/(sqrt(3))`

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(sin 75^(@) - sin 15 ^(@))/( cos 75^(@) + cos 15 ^(@)) = (1)/(sqrt3)

Prove that, (sin""(5pi)/(12)-cos""(5pi)/(12))/(cos""(5pi)/(12)+sin""(5pi)/(12))=(1)/(sqrt(3))

(cos pi) / (12) - (sin pi) / (12) = (1) / (sqrt (2))

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

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

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Prove that :cos((pi)/(12))-sin((pi)/(12))=(1)/(sqrt(2))