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三角学 示例
解题步骤 1
解题步骤 1.1
将所有不包含 的项移到等式右边。
解题步骤 1.1.1
从等式两边同时减去 。
解题步骤 1.1.2
化简每一项。
解题步骤 1.1.2.1
分解分数 成为两个分数。
解题步骤 1.1.2.2
将负号移到分数的前面。
解题步骤 1.2
将方程重写为 。
解题步骤 2
A linear equation is an equation of a straight line, which means that the degree of a linear equation must be or for each of its variables. In this case and the degree of variable is . the degrees of the variables in the equation violate the linear equation definition, which means that the equation is not a linear equation.
非线性