![](https://image.tmdb.org/t/p/original/3gkjpYngqlyh9cPbfdQvQpXj83t.jpg)
![](https://image.tmdb.org/t/p/w342/a87CL2rNSwLbYLLR1d5AzcdnnLL.jpg)
Trigonometric functions
Fu Li Gong makes a surprising declaration at the baseball diamond with Zheng Ze.
Stars:
![](https://image.tmdb.org/t/p/w300/eCJwNIFlEbE90IffK83MxrIoDDA.jpg)
![](https://image.tmdb.org/t/p/w300/h9LWYIvOI6jxSvf8ddCxkpN59kE.jpg)
![](https://image.tmdb.org/t/p/w300/7Oyee1qpT2CLifk05cXOTHmYSV1.jpg)
![](https://image.tmdb.org/t/p/w300/cX5smZDildoY9BXnPJatYF6Dpgz.jpg)
Other episodes for this season
![Dot](https://image.tmdb.org/t/p/w300/41IaWuNuWMuUNXLfajeudUZGucc.jpg)
![Parallel Lines](https://image.tmdb.org/t/p/w300/yy7CawYOmEx9vF0M4WtQfbUwjIq.jpg)
![Slope Intercept Form](https://image.tmdb.org/t/p/w300/1y0VR83C21rx2JoHvQrmjz3kLen.jpg)
![Law of cosines](https://image.tmdb.org/t/p/w300/rUtlqZxFD9MmDoAmDbAi8R4cL2y.jpg)
![Axis of symmetry](https://image.tmdb.org/t/p/w300/kYoa09b2JBhspM1qgBqK4OTDamT.jpg)
![Period](https://image.tmdb.org/t/p/w300/sVNNWfE3EpkY34nJmoGWjK8r2Wp.jpg)
![Sum](https://image.tmdb.org/t/p/w300/7X7UcHJO2IqwRxyRC1xO1k4R4wS.jpg)
![Equal mark](https://image.tmdb.org/t/p/w300/8OousiMVcUSTZg89EW3belujQHK.jpg)
![Absolute value](https://image.tmdb.org/t/p/w300/tT60GrrfM4563CuIkxsDHadUxE1.jpg)
![Trigonometric functions](https://image.tmdb.org/t/p/w300/3gkjpYngqlyh9cPbfdQvQpXj83t.jpg)
![Parabola](https://image.tmdb.org/t/p/w300/6JS0co8q7c0NdunnuiZMkOsQlhd.jpg)
![Coincidence](https://image.tmdb.org/t/p/w300/2o3oGauawgK9hpYKuHnOd2WXHmr.jpg)