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 (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 Values of sin (pi/8) ,cos (pi/ 8) ,sec (pi/8) ,cosec (pi/8) ,tan (pi/8) and Cot (pi/8)

Find the value of sin^(-1)(cos(pi/5))

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

Find the value of cos^(-1) ( cos . (2pi)/3) + sin^(-1) ( sin . (2pi)/3) .

Find the value of (i) cos 15 pi (ii) sin 16 pi (iii) cos (-pi) (iv) sin 5 pi (v) tan ((5pi)/(4)) (vi) sec 6 pi