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If alpha ,bita are acute angles and cos2alpha =3cos2bita-1÷3-cos2bita,then prove that tan alpha =√2tan bita

If alpha ,bita are acute angles and cos2alpha =3cos2bita-1÷3-cos2bita,then prove that tan alpha =√2tan bita

Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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