Перетащи ответ

• \(-1\)
• \(0\)
• \(1\)
• \(\sin t\)
• \(\cos t\)
• \(\tg t\)
• \(\ctg t\)
• \(\sin^2 t\)
• \(\cos^2 t\)
• \(\tg^2 t\)
• \(\ctg^2 t\)

\(\textcolor{white}{\boxed{\textcolor{black}{\dfrac{1+\tg^2 t}{1+\ctg^2 t}}}}=\) [ ]

\(\textcolor{white}{\boxed{\textcolor{black}{\dfrac{\sin^2 t}{1-\cos t}- \sin^2 t - \cos^2 t}}}=\) [ ]

\(\textcolor{white}{\boxed{\textcolor{black}{\dfrac{\sin^2 t + \cos^2 t}{\tg^2 t \cdot \cos^2 t}-\dfrac{\cos^2 t}{1-\cos^2 t}}}}=\) [ ]