Find the real roots of the equation `cos^4x + sin^7x = 1` in the interval `[-pi,pi]`

Find the real roots of the equation cos^(4)x+sin^(7)x=1 in the interval [-pi,pi]

The real roots of the equation cos^(7)x+sin^(4)x=1 in the interval (-pi,pi) are

The real roots of the equation cos^(7)x+sin^(4)x=1 in the interval (-pi,pi) are

The number of real solutions of the equation : cos^(7)x + sin^(4)x = 1 in the interval [-pi,pi] is :

The roots of the equation cos ^7x+sin^4x=1 in the interval (−π,π) are

The real roots of the equation cos^7x+sin^4x=1 in the interval (-pi,pi) are __________, ________, and ________

The real roots of the equation cos^7x+sin^4x=1 in the interval (-pi,pi) are __________, ________, and ________

The real roots of the equation cos^7x+sin^4x=1 in the interval (-pi,pi) are __________, ________, and ________