Explore major math functions like sine, cosine, and tangent! Learn to graph trigonometric functions and understand key concepts. Perfect for math students and anyone curious about trigonometry. Judge ...

Abstract: Sliding mode control is widely used to enhance the speed control performance of permanent magnet synchronous motors (PMSM). However, the slow reaching onto the sliding surface and chatting ...

My best friend tests his 5 year old basic math questions from store-bought material which is good for one time use (his son memorizes the answers) …. but he wants to give him more practice.