关于数学三角变换的问题(sina方+cosa方)除以(2sinacosa+cosa方),是怎么变成(1+tana方)除以(2tana+1)的?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 06:29:01
![关于数学三角变换的问题(sina方+cosa方)除以(2sinacosa+cosa方),是怎么变成(1+tana方)除以(2tana+1)的?](/uploads/image/z/5754811-67-1.jpg?t=%E5%85%B3%E4%BA%8E%E6%95%B0%E5%AD%A6%E4%B8%89%E8%A7%92%E5%8F%98%E6%8D%A2%E7%9A%84%E9%97%AE%E9%A2%98%EF%BC%88sina%E6%96%B9%2Bcosa%E6%96%B9%EF%BC%89%E9%99%A4%E4%BB%A5%EF%BC%882sinacosa%2Bcosa%E6%96%B9%EF%BC%89%2C%E6%98%AF%E6%80%8E%E4%B9%88%E5%8F%98%E6%88%90%EF%BC%881%2Btana%E6%96%B9%EF%BC%89%E9%99%A4%E4%BB%A5%EF%BC%882tana%2B1%EF%BC%89%E7%9A%84%3F)
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