We might prefer to stick to trigonometric functions .
我们可能宁愿拘泥于使用三角函数。
Learn synchronous test high , the trigonometric function of aleatoric horn .
高一数学同步测试任意角的三角函数。
Learn high to issue special subject of semester period end to review the relation of the trigonometric function that be the same as horn is revulsive and formulary .
