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1/(cos A cos B) + tan A tan B = tan C Prove that cos 2C

1/(cos A cos B) + tan A tan B = tan C
 
Prove that cos 2C

Grade:12th pass

3 Answers

Nishant Vora IIT Patna
askIITians Faculty 2467 Points
5 years ago
Dear student,

What we need to prove here?
The question is incomplete. Pls clearly post the question again.
utpal raj
244 Points
5 years ago
@Abhishek I think your question is incompletely posted. What to find out in this..... Please post again
imran
55 Points
5 years ago
Hi ABHISHEK DAS
I think question incomplete because you didn’t mention what to find
I hope that next time you will post a correct answer
                                              OK THANK Q

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