दर्शाइये कि
`tan^(1)(1)+cos^(-1)(-(1)/(2))+sin^(-1)(-(1)/(2))=(3pi)/(4)`

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)

The value of tan ^(-1) (1) + cos ^(-1) (-(1)/(2) ) + sin ^(-1) (-(1)/(2)) is equal to (3pi)/(k) . Find the value of K.

sin^(2)(pi)/(6)+cos^(2)(pi)/(3)-tan^(2)-(1)/(2)(pi)/(4)=-(1)/(2)

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

Prove that : tan^(-1) [2 cos(2sin^(-1)(1/2))] = pi/4

Prove that : tan^(-1) [2 cos(2sin^(-1)(1/2))] = pi/4

3 sin ^(-1)((2 x)/(1+x^(2)))-4 cos ^(-1)((1-x^(2))/(1+x^(2))) +2 tan ^(-1)((2 x)/(1-x^(2)))=(pi)/(3) ( then ) x=

Prove that tan{(pi)/(4)+(1)/(2) "cos"^(-1)(a)/(b)}+tan{(pi)/(4)-(1)/(2) cos^(-1)((a)/(b))}=(2b)/(a) .

Which of the following is not a rational number. a. sin (tan^(-1) 3 + tan^(-1).(1)/(3)) b. cos ((pi)/(2) - sin^(-1).(3)/(4))