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1/(cos A cos B) + tan A tan B = tan C Prove that cos 2C
Dear student,What we need to prove here?The question is incomplete. Pls clearly post the question again.
@Abhishek I think your question is incompletely posted. What to find out in this..... Please post again
Hi ABHISHEK DASI think question incomplete because you didn’t mention what to findI hope that next time you will post a correct answer OK THANK Q
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