If `k=sin^(6)c+cos^(6)x,` then k belongs to the interval

If k=sin^(6)x+cos^(6)x, then k belongs to the interval

if cos^(-1)x>sin^(-1)x, then x belongs to the interval

If Cos^(-1)x gt Sin^(-1)x , then x belongs to the interval

If lim_(x rarr1)cos ec^(-1)((k^(2))/(ln x)-(k^(2))/(x-1)) exists, then k belongs to the interval exists,

If f(x)=sin^(6) x + cos^(6) x for x in R , then f(x) lies in the interval

The number of distinct solution of the equation 5/4 cos^(2) 2x + cos^(4)x+sin^(4) x+cos^(6)x+sin^(6) x=2 in the interval [0, 2pi] is _______.

If sin^(6)theta+cos^(6)theta+k cos^(2)(2 theta)=1, then k is