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Question
matlab中定义变量不满足三角函数之间的关系？。
例如我输入如下： clear all syms a cos(a)^2 + sin(a)^2 得到的cos(a)^2 + sin(a)^2结果仍然是它本身，不是1. 这个该怎么解决呢
3 years ago | 1 answer | 0
