삼각함수의 그래프(Graph of trigonometric functions)

• $y=\sin(x)$

  [PDF] [영상(YouTube)] [Geogebra Tube] [NFT]

• $y=\cos(x)$

  [PDF] [영상(YouTube)] [Geogebra Tube] [NFT]

• $y=\tan(x)$

  [PDF] [영상(YouTube)] [Geogebra Tube] [NFT]