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[" 14) "(cos12'-sin12)/(cos12^(2)+sin12^...

[" 14) "(cos12'-sin12)/(cos12^(2)+sin12^(x))+(sin147)/(cos147)=],[" A) "0],[" B) "-1],[" C) "1],[" D) None of these "]

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(cos12^@-sin12^@)/(cos12^@+sin12^@)+sin147^@/(cos147^@)=

(cos12^(@)-sin12^(@))/(cos12^(@)+sin12^(@))+(sin147^(@))/(cos147^(@))=

Cos^(-1)(cos12) -Sin^(-1) (sin12)=

(cos 12^(@) - sin 12^(@))/(cos 12^(@) + sin 12) + (sin 147^(@))/(cos 147^(@))=

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

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

(cos 12^(@) - sin 12^(@))/(cos 12^(@) + sin 12) + (sin 147^(@))/(cos 147^(@))= ................... A) 1 B) -1 C) 0 D) sqrt3

The value of cos^(-1) (cos 12) - sin^(-1)(sin 14) is

The value of cos^(-1)(cos 12)-sin^(-1)(sin 14) is