cosX= 1/2
x= 60, x= 60+180 degrees.
Find all values of x in the interval [0, 2 pi] that satisfy 2 cos x-1 = 0.
cos x = 1/2
x = 60
How do I find the other value of x?
1 answer
cos x = 1/2
x = 60
How do I find the other value of x?
1 answer