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cos(1/2cos^(- 1)1/8)=...

`cos(1/2cos^(- 1)1/8)=`

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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 , y = cos (1/2 cos^(-1) (1/8)) , then

The value of cos (1/2 cos^(-1) . 1/8) is equal to

The value of cos( 1/2 cos^(-1)"" 1/8) is equal to

The value of cos (1/2 cos^(-1) . 1/8) is equal to

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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