Toán Lớp 11: sin13x = -1
giải pt hộ mk vs ak
Leave a reply
Register Now
Login
Lost Password
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Toán Lớp 11: sin13x = -1
giải pt hộ mk vs ak
Comments ( 2 )
\sin 13x = – 1\\
\Leftrightarrow 13x = – \dfrac{\pi }{2} + k2\pi \left( {k \in Z} \right)\\
\Leftrightarrow x = – \dfrac{\pi }{{26}} + \dfrac{{k2\pi }}{{13}}\left( {k \in Z} \right)\\
Vậy\,x = – \dfrac{\pi }{{26}} + \dfrac{{k2\pi }}{{13}}\left( {k \in Z} \right)
\end{array}$