Principle Of Mathematical Induction


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 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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Some More Questions From Principle of Mathematical Induction Chapter

Find 1 radian angle in degrees, minutes, seconds.