if 2 cos 3 theta is equals to 1 then find theta
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given:-
» 2cos 3thetha =1
» cos 3theta =1/2
» we know cos 1/2=cos60°
» cos 3theta=cos60°
[ cos gets cancelled]
» 3thetha=60°
» thetha=60/3=20°
hope helps
@AnanyaR☺
given:-
» 2cos 3thetha =1
» cos 3theta =1/2
» we know cos 1/2=cos60°
» cos 3theta=cos60°
[ cos gets cancelled]
» 3thetha=60°
» thetha=60/3=20°
hope helps
@AnanyaR☺
Anonymous:
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