Solve:
Cos 3x/2 = 1/2
Answers
Answered by
1
cos3x=3/2
cos3x/2=cos60
3x/2=60
x=40
cos3x/2=cos60
3x/2=60
x=40
kuku145:
It's wrong bro
It's trigonometry cosx=cosy
angles could be checked quadrant wise...... otherwise it is correct
Answered by
0
cos 3x/2 = 1/2
cos 3x/2 = cos 60°
3x/2 = 60
3x = 120
x = 40
cos 3x/2 = cos 60°
3x/2 = 60
3x = 120
x = 40
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