" The value of "sin^(2)(5 pi)/(12)-sin^(2)(pi)/(12)

The value of "2sin"^(2)(pi)/(3)-"cos"^(2)(pi)/(6)+"tan"^(2)(pi)/(6) is equal to A. 7/12 B. 13/12 C. 13/4 D.- 13/12

2sin((5 pi)/(12))(sin((pi)/(12)))=

The value of "cos"^(2)(pi)/(12)+"cos"^(2)(pi)/(4)+"cos"^(2)(5pi)/(12) is

THe value of cos^(2)((pi)/(12))+cos^(2)((pi)/(4))+cos^(2)((5 pi)/(12)) is

Find the value of 2cos((5 pi)/(12))cos((pi)/(12)) and 2sin((5 pi)/(12))cos((pi)/(12))

Evaluate the following expression : sin^(2).(pi)/(12)+sin^(2).(3pi)/(12)+sin^(2).(5pi)/(12).

The value of sin((pi)/(18))+sin((pi)/(9))+sin((2pi)/(9))+sin((5pi)/(18)) is

The value of (cos ^(2) ""(pi)/(12)+ cos^(2) ""(pi)/(4)+ cos ^(2) ""(5pi)/(12)) is-

Evaluate : cos ^(2) ""(pi)/(12) - sin ^(2) ""(pi)/(12)

What is the value of sin((5pi)/(12)) ?