cos x sin x + sin x = 0
sin x ( cos x + 1 ) = 0
Split into two equations:
sin x = 0
cos x + 1 = 0 , cos x = - 1
sin x = 0
when
x = 0 , x = 180° , x = 360°
cos x = - 1
when
x = 180°
The solutios are:
x = 0 , x = 180° , x = 360°
What is the solution from 0 to 360 degrees?
cos x sin x + sin x = 0
1 answer