11.tan^(-1)(1)+cos^(-1)(-(1)/(2))+sin^(-1)(-(1)/(2))

Find the value of: tan^(-1)(1)+cos^(-1)(-(1)/(2))+sin^(-1)(-(1)/(2))

Prove that tan^(-1)1 +cos^(-1)(-(1)/(2)) +sin^(-1) (-(1)/(2)) =(3pi)/(4) .

The value of tan^(-1)(1)+cos^(-1)(-(1)/(2))+sin^(-1)(-(1)/(2)) is equal to (pi)/(4)b*(5 pi)/(12)c*(3 pi)/(4)d.(13 pi)/(12)

tan(1)+cos^(-1)(-(1)/(2))+sin^(-1)(-(1)/(2))

Evaluate: tan^(-1)1+cos^(-1)(-(1)/(2))+sin^(-1)(-(1)/(2))

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

Find the value of tan^(-1) (-1) +cos^(-1) ((1)/(2)) + sin^(-1) (-(1)/(2)) .

6. Find the value of tan^(-1) (1) + cos^(-1)(-1/2)+ sin^(-1)(-1/2)