ฟังก์ชันตรีโกณมิติประยุกต์

TR22.pdf
TR23.pdf
TR24.pdf
TR25.pdf
TR26.pdf
TR27.pdf 
TR28.pdf
TR29-30.pdf
TR31.pdf
TR32.pdf
TR33.pdf
TR34.pdf 
TR35.pd
TR36-37.pdf 
TR38.pdf
TR39-40.pdf
TR41.pdf
TR42.pdf
TR43.pdf 
TR44-45.pdf
TR46-47.pdf 
TR48.pdf 
TR49-50.pdf
TR51.pdf 
TR52.pdf
TR53.pdf 
TR54-55.pdf