reduction formula
柯林斯词典
1. N a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle 降次換算公式[maths]
返回 reduction formula
1. N a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle 降次換算公式[maths]