Q.2The value of 3sin((1)/(2)arccos(1)/(9))+4cos((1)/(2)arccos(1)/(8)) is equal to

The value of sin\ (1/2cot^(-1)(-3/4))+cos(1/2cot^(-1)(-3/4)) is/are equal to-

The value of 3(sin1-cos1)^(4)+6(sin1+cos1)^(2)+4(sin^(6)1+cos^(6)1) is equal to

The value of 3(sin1-cos1)^(4)+6(sin1+cos1)^(2)+4(sin^(6)1+cos^(6)1) is equal to

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

Taking only principal values,the values of cos^(-1)(-(1)/(2))+sin^(-1)(-(sqrt(3))/(2)) 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

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