Asked by Raj
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?
cos x = 1/2
x = 60
How do I find the other value of x?
Answers
Answered by
bobpursley
cosX= 1/2
x= 60, x= 60+180 degrees.
x= 60, x= 60+180 degrees.
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