" 3.If "A={0,(pi)/(6),(pi)/(4),(pi)/(3),(pi)/(2)}" and "f:A rarr B,f(x)=cos x" is a surjection then find "B" ."

" 07.If "A={0(k)/(6),(pi)/(4)*(pi)/(3),(pi)/(2)}" and "f:A rarr B,f(x)=cos x" is surjection find "B

If A={0 , pi/6, pi/4, pi/3, pi/2} and f: A rarr B is a surjection defined by fx) = cosx then find B

If A={0,pi/6,pi/4,pi/3,pi/2} and f:Ato B is a surjection defined by f(x)=cosx then find B.

Function f[(1)/(2)pi, (3)/(2)pi] rarr [-1, 1], f(x) = cos x is

Function f[(1)/(2)pi, (3)/(2)pi] rarr [-1, 1], f(x) = cos x is

Let f(x)={{:((1-sin^(3)x)/(3cos^(2)x),"if "x lt(pi)/(2)),(a,"if "x=(pi)/(2)),((b(1-sinx))/((pi-2x)^(2)),"if "x gt(pi)/(2)):}" ," if f (x) is continuous at x=(pi)/(2) , find a and b .

Let f(x)=(1-tan x)/(4x-pi),x!=(pi)/(4),x in[0,(pi)/(2)], If f(x) is continuous in [0,(pi)/(4)], then find the value of f((pi)/(4))

f(x)= {(-4 sin x + cos x",",x le - (pi)/(2)),(a sin x + b",",-(pi)/(2) lt x lt (pi)/(2)),(cos x + 2",",(pi)/(2) le x):} . If f(x) is continuous for x in R , then find the value of a and b.