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Principle Of Mathematical Induction

Question
CBSEENMA11013972

If tan (A + B) = m and tan (A - B) = n, show that 

                        tan space 2 straight B space equals space fraction numerator straight m minus straight n over denominator 1 plus mn end fraction

                  

Solution

Solution not provided.
(Hint: tan space 2 straight B space equals tan space open curly brackets left parenthesis straight A plus straight B right parenthesis space plus space left parenthesis straight A minus straight B right parenthesis close curly brackets comma space etc.)




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