类别 全部 - functions - numbers - real - trigonometric

作者:Thang-Dung Martin 5 年以前

446

The 6 trigonometric Functions

The 6 trigonometric Functions

The 6 trigonometric Functions

tan = sin/cos

cos = x

sin = y

all real numbers

cot = x/y

sec = 1/x

all real numbers except odd integers

csc =1/y

all real numbers except multiples of pi