单词例句
The angle of elevation to the top of the building is 45 degrees.
建筑物顶部的仰角是45度。
Using trigonometry, we can calculate the height of the tree by measuring its shadow and the angle of the sun.
利用三角学，我们可以通过测量树的影子和太阳的角度来计算树的高度。
In a right triangle, the sine of an angle is the ratio of the opposite side to the hypotenuse.
在直角三角形中，一个角度的正弦是与其相对边对斜边的比例。
The cosine of an angle in a triangle is the ratio of the adjacent side to the hypotenuse.
三角形中一个角度的余弦是邻边与斜边的比例。
The tangent of an angle is equal to the sine divided by the cosine.
角度的正切等于其正弦除以余弦。
Trigonometry is crucial in navigation, helping sailors determine their position using angles and distances.
三角学在航海中至关重要，帮助水手通过角度和距离确定他们的位置。
The unit circle in trigonometry helps us understand the values of sine, cosine, and tangent for angles between 0 and 360 degrees.
三角学中的单位圆帮助我们理解0到360度之间角度的正弦、余弦和正切值。
In physics, trigonometry is used to analyze forces and motion in various directions.
在物理学中，三角学用于分析各个方向上的力和运动。
Architects utilize trigonometry to calculate the slope and angles needed for stable structures.
建筑师利用三角学来计算稳定结构所需的坡度和角度。
The Pythagorean theorem, a fundamental concept in trigonometry, states that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
三角学的基本概念毕达哥拉斯定理指出，在直角三角形中，斜边的平方等于其他两边平方的和。