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" Q."" The exact value of "(sin24^(@)cos...

" Q."" The exact value of "(sin24^(@)cos6^(@)-sin6^(@)sin66^(@))/(sin21^(@)cos39^(@)-cos51^(@)sin69^(@))" is "

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The value of (sin24^(@)cos6^(@)-sin6^(@)sin66^(@))/(sin21^(@)cos39^(@)-cos51^(@)sin69^(@)) is

(The24^(@)cos6^(@)-sin6^(@)sin66^(@))/(sin21^(@)cos39^(@)-cos51^(@)sin69^(@)) is

sin21^(@)cos9^(@)-cos84^(@) cos6^(@)=

(sin2^(@)+sin4^(@)+sin6^(@)+sin8^(@))/(cos1^(@)*cos2^(@)*cos5^(@))=

cos66^(@)+sin84^(@)=

cos66^(@)+sin84^(@)=

cos6^(@)sin24^(@)cos72^(@)=

sin 21^(@) cos 9^(@) - cos 84^(@) cos 6^(@)=

(4sin9^(@)sin21^(@)sin39^(@)sin51^(@)sin69^(@)sin81^(@))/(sin54^(@))