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cos [cos^(-1)(-1/2)-sin^(-1)(1/2)]...

` cos [cos^(-1)(-1/2)-sin^(-1)(1/2)]`

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The value of 2cos^(-1)(-1/2)-2 sin^(-1)(-1/2)-cos^(-1)(-1) is

The value of 2cos^(-1)(-1/2)-2 sin^(-1)(-1/2)-cos^(-1)(-1) is

If x = tan^(-1) 1 - cos^(-1) ( - 1/2) + sin^(-1) 1/2 , y = cos (1/2 cos^(-1) (1/8)) , then

If x=tan^(-1)(1)+cos^(-1)(-1//2)+sin^(-1)(-1//2) and y=cos[1//2 cos^(-1)(1//8)] then

If quad Tan^(-1)(1)+cos^(-1)(-(1)/(2))+sin^(-1)(-(1)/(2)) and y=cos[(1)/(2)cos^(-1)((1)/(8))] then

If x = tan^(-1) 1 - cos^(-1) ( - 1/2) + sin^(-1) 1/2 , y = cos (1/2 cos^(-1) (1/8)) , then

cos[2cos^(-1)((1)/(5))+sin^(-1)((1)/(5))] =

cos[2cos^(-1).(1)/(5)+sin^(-1).(1)/(5)] =

cos [2"cos"^(-1) (1)/(5) + "sin"^(-1) (1)/(5)]=