词族 · trigonometric
派生词
英语词源
- trigonometric (adj.)
- 1811; see trigonometry + -ic. Related: Trigonometrical (1660s).
权威例句
- 1. The trigonometric functions are defined for right triangles.
- 三角函数是对直角三角形定义的.
- 2. We might prefer to stick to trigonometric functions.
- 我们可能宁愿拘泥于使用三角函数.
- 3. The trigonometric terms should be changed by the substitution of the equations involving the double angles.
- 用倍角公式代换三角函数项.
- 4. It will be assumed that the reader is familiar with logarithms and trigonometric functions.
- 我们还希望读者能熟悉对数和三角函数.
- 5. The expression for g can be rewritten in terms of trigonometric sines and cosines.
- 关于g的表达式可以重写成三角函数的正弦和余弦形式.