Principle Of Mathematical Induction

Question
CBSEENMA11013840

Prove the following:

fraction numerator left parenthesis sin 7 straight x plus sin 5 straight x right parenthesis plus left parenthesis sin 9 straight x plus sin 3 straight x right parenthesis over denominator left parenthesis cos 7 straight x plus cos 5 straight x right parenthesis plus left parenthesis cos 9 straight x plus cos 3 straight x right parenthesis end fraction equals tan 6 straight x

Solution

Solution not provided.

Sponsor Area

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Find 1 radian angle in degrees, minutes, seconds.