`" If "(101 pi)/(9)" radians is equal to "x^(0)" then "x" is "`

If (101 pi)/(9) radians is equal to x^(@) then x is

((3pi)/(5)) radians is equal to

(frac(3pi)(5)) radians is equal to

int_(0)^(pi//2) x sin x dx is equal to

int _(0)^(pi) | cos x| dx is equal to

int_(0)^(pi) x sin^(4) x dx is equal to

If the chord x+2y-2=0 of the curve 6x^(2)+y^(2)-8x+2y=0 subtends angle (pi)/(k) radians at the point (1,1) then the value of k is