Question

решите уравнение:2cosx-√3=0

Answer 1

2cosx-√3=0

2cosx=√3

cosx=√3/2

х=±arccos√3/2+2πn

x=±π/6+2πn

Answer 2

2*cosx - √3 = 0

2*cosx = √3

cosx = √3 / 2

х = ± arccos √3/2 + 2πn, n є Z

x = ± π/6 + 2πn, n є Z