Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Learn about graphs of trigonometric functions in this National 5 Maths guide.

Lucas Downey is the co-founder of MoneyFlows, and an Investopedia Academy instructor. Ryan Eichler holds a B.S.B.A with a concentration in Finance from Boston University. He has held positions in, and ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA Society committee ...