That means you will have a little bit of trig to do in the integral.
这意味着，在积分的时候会遇到一点小麻烦。
That is actually not a good way to do it, because if I put sufficiently complicated trig functions in there then you might not be able to see that two terms are the same. Take an easy one.
这不是一个很好的办法，因为如果函数足够复杂，你可能就不会看出，这两项是相同的，举个简单例子。
One girl sat next to me in both Trig and Spanish, and she walked with me to the cafeteria for lunch.
有一个女同学上三角和西班牙语这两门课都坐在我的旁边，她还和我一起去自助餐厅吃午饭。
One girl sat next to me in both Trig and Spanish, and she walked with me to the cafeteria for lunch.
有个女孩在三角函数课和西班牙语课上都坐在我旁边，午餐时间她和我一起去自助餐厅。
The next day, I was surprised that Jessica wasn't her usual gushing self in Trig and Spanish.
第二天的三角函数课和西班牙语课上，我惊讶地发现杰西卡不像往常一样滔滔不绝地自说自话了。
The next day, I was surprised that Jessica wasn't her usual gushing self in Trig and Spanish.
第二天的三角函数课和西班牙语课上，我惊讶地发现杰西卡不像往常一样滔滔不绝地自说自话了。
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