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Trigonometry
01
三角学
a branch of mathematics that deals with the relationships between the angles and sides of triangles
trigonometry
n
例子
Trigonometry plays a key role in fields such as physics, engineering, and computer science, where understanding angles and periodic functions is essential.
In navigation, trigonometry is crucial for calculating distances and angles, especially in celestial navigation using stars and planets.
The Pythagorean identity, a fundamental relation in trigonometry, states that sin²θ + cos²θ = 1.
In trigonometry, the sine function (sin) relates the ratio of the length of the opposite side to the hypotenuse in a right-angled triangle.
The cosine function (cos) in trigonometry expresses the ratio of the adjacent side to the hypotenuse.
