A continuous, even periodic function f with period 8 is such that f(0) `=0.f(1)=2.f(2)=1f(3)=2.f(4)=3.` then the value of `cos^-1(cos(f(9)+2f(20)))` is equal to

A continuous, even periodic function f with period 8 is such that f(0)=0,f(1)=-2,f(2)=1,f(3)=2,f(4)=3, then the value of tan^(-1) tan{f(-5)+f(20)+cos^(-1)(f(-10))+f(17)} is equal to

A continuous, even periodic function f with period 8 is such that f(0)=0,f(1)=-2,f(2)=1,f(3)=2,f(4)=3, then the value of tan^(-1) tan{f(-5)+f(20)+cos^(-1)(f(-10))+f(17)} is equal to

A continuous, even periodic function f with period 8 is such that f(0)=0,f(1)=-2,f(2)=1,f(3)=2,f(4)=3, then the value of tan^(-1) tan{f(-5)+f(20)+cos^(-1)(f(-10))+f(17)} is equal to

If f(x) = is an odd periodic function with period 2, then f(4) equals

If f(x) is an odd periodic function with period 2, then f(4) equals to-

If f(x) is an odd periodic function with period 2, then f(4) equals to-

Iff is a function such that f(0)=2,f(1)=3,f(x+2)=2f(x)-f(x+1), then f(5) is