Express \( \cos 5 x \) in terms of \( \cos x \) and hence find general solution of the equation ...

preview_player
Показать описание
Express \( \cos 5 x \) in terms of \( \cos x \) and hence find general solution of the equation \( \cos 5 x=16 \cos ^{5} x \).
Рекомендации по теме