Principle Of Mathematical Induction

Question
CBSEENMA11013858

Show that:

If fraction numerator siny over denominator sin left parenthesis 2 straight x plus straight y right parenthesis end fraction equals straight m over straight n comma show that cot left parenthesis straight x plus straight y right parenthesis space equals space fraction numerator straight n minus straight m over denominator straight n plus straight m end fraction cotx.

Solution

Solution not provided.