三角学示例

$b = \frac{c \sin (b)}{\sin (c)} = \frac{3.1 \sin (50)}{\sin (55)}$

解题步骤 1

图像。

$b = \frac{c \sin (b)}{\sin (c)} = \frac{3.1 \sin (50)}{\sin (55)}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$