2cos3theta = 1,theta =?
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2cos3theta=1
Cos3theta=1/2
3theta=arccos 1/2
3theta=60degree
Theta=60/3=20degree...
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pinu20:
Perfect answer thank you bro
Ok fine
Answered by
3
2cos3theta = 1
Cos3theta = 1/2
Cos3theta = cos60
3theta = 60
Theta = 60/3
Theta = 20.
Cos3theta = 1/2
Cos3theta = cos60
3theta = 60
Theta = 60/3
Theta = 20.
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