Find the Value of `cos (pi/24) and sin (pi/24)`

Find the Value of (cot pi)/(24)

Find the value of cot(pi/24)

Find the value of sin. (23pi)/(24) .

Find the value of sin. (23pi)/(24) .

Find the value of sin. (23pi)/(24) .

Find the value of (cos pi+i sin pi)

Find the value of cos""(pi)/(12)(sin""(5pi)/(12)+cos""(pi)/(4))+sin""(pi)/(12)(cos""(5pi)/(12)-sin""(pi)/(4)) .

Find the value of cos""(pi)/(12)(sin""(5pi)/(12)+cos""(pi)/(4))+sin""(pi)/(12)(cos""(5pi)/(12)-sin""(pi)/(4)) .

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

Find the value of sin(pi/4)cos(pi/6) + cos(pi/4)sin(pi/6)