Grade 11Trigonometry
If tan(A+B)=p, tan(A-B)=q. To Prove tan3A=p=q/1-pq.
If tan(A+B)=p, tan(A-B)=q. To Prove tan3A=p=q/1-pq.
1 Answer
Arun
Dear Siddhartha
Please check the question As I am getting another proof many times I have tried.
Please attach an image of the question.
I will be happy to help you.
Regards
Arun
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