Giai giup tui pt : sin^2 x + sin^ 2x +sin^ 3x + sin^ 4x = 2
hứa vote 5 sao + cám ơn
Giai giup tui pt : sin^2 x + sin^ 2x +sin^ 3x + sin^ 4x = 2 hứa vote 5 sao + cám ơn
Share
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Calantha
Bạn xem hình