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(sin12 A)/(sin4A)-(cos12 A)/(cos4A)=...

`(sin12 A)/(sin4A)-(cos12 A)/(cos4A)=`

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(sin12A)/(sin4A)-(cos12A)/(cos4A)=

(sin12A)/(sin4A)-(cos12A)/(cos4A)=

(sin 12 A)/(sin 4A) - (cos 12 A)/(cos 4A)=

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The value of sin^(-1)(sin12)+cos^(-1)(cos12)=

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