" The value of "cos A-sin A," when "A=(5 pi)/(4)," is "

The value of cos A-sin A when A=((5pi)/4) is

Find the value of sin^(-1) ( sin "" (5pi)/(9 ) cos "" (pi)/(9) + cos ""(5 pi )/(9) sin ""(pi) /(9))

The value of cos (pi)/(5) . cos (2 pi)/(5). cos (4 pi)/(5) . cos (8 pi)/(5) is

The value of (sin pi) / (48) - (sin (5 pi)) / (48) + (sin (9 pi)) / (48) - (sin (13 pi)) / (48) (cos pi ) / ((cos pi) / (48) - (cos (5 pi)) / (48) - (cos (9 pi)) / (48) + (cos (13 pi)) / (48)) is

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)) .

The value of cos^(-1) ("cos" (5pi)/3)+sin^(-1) ("sin"(5pi)/3) is :

Find the value of "cos"^(-1)("cos"(5pi)/(3))+"sin"^(-1)("sin"(5pi)/(3)) .