“t-formulae”的概念、定义、翻译、参考文献-科学参考

单词	t-formulae
释义	t-formulae Mathematics A range of trigonometric identities that are useful as substitutions for integrations, often as half-angle formulae. If $t = tan \frac{1}{2} A$ , then $sin A = \frac{2 t}{1 + t^{2}}, cos A = \frac{1 - t^{2}}{1 + t^{2}}, tan A = \frac{2 t}{1 - t^{2}} .$
随便看	privileged access privileged instructions pro-attitude probabilism probabilistic compaction probabilistic reasoning probability probability amplitude probability calculus probability density function probability distribution probability distribution((of a random variable)) probability distributions probability function probability generating function probability-generating function probability laws probability mass function probability measure probability((of a random event)) probability paper probability, philosophy of probability space probability vector probable error

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