" 2.Solve "cos^(7)x+sin^(4)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 :

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^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 ________

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