t a— layout: post title: Math - Trigonometry Review date: ‘2017-01-13 13:19’ subtitle: comments: true tags: - Math — Half Angle Formulas \[\begin{gather*} cos \theta = 2 cos^2 \frac{\theta}{2} -1 \end{gather*}\] Previous Math - Different Types Of Convolutions Next Math - Eigen Value, Eigen Vector, and Eigen Value Decomposition CATALOG FEATURED TAGS Math Deep Learning C++ Robotics ROS2 Python Computer Vision Linux RGBD Slam Docker ROS Electronics Hands-on SLAM Build Systems CUDA Hands-On ROS1 Web Devel FRIENDS Cheng Wei Jerry Zhao Sebastian Castro Jon Meyer Sik-Ho Tsang 技术刘 Brandon Rohrer 箐茗 Solomon Amos DaNing Rodney Brooks