Principle Of Mathematical Induction

Question
CBSEENMA11014025

Prove the following:

fraction numerator cos left parenthesis straight pi plus straight x right parenthesis space cos left parenthesis negative straight x right parenthesis over denominator sin space open parentheses straight pi minus straight x close parentheses space cos open parentheses begin display style straight pi over 2 end style plus straight x close parentheses end fraction equals space cot squared straight x

Solution

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