find the value of x .
2 cos 3x =1
Answers
Answered by
4
2cos3x=1
cos 3x =1/2
cos 3x =cos 60 (because cos 60=1/2)
3x=60
x=20
therefore the value of x is 20.
Answered by
3
Answer:
x=20
Step-by-step explanation:
2cos3x=1
therefore, cos3x=1/2
(cos60=1/2)
therefore, cos3x=cos60
3x=60
x=60/3
therefore, x=20...
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