sin x
Definition
Sin x refers to the trigonometric sine function, which relates an angle in a right triangle to the ratio of the length of the side opposite that angle to the length of the hypotenuse.
Analogy
Imagine you are on a Ferris wheel, and as it rotates, your height above the ground changes. The sin x function represents how high or low you are at any given point as you go around in a circle.
Related terms
Trigonometric Functions: Mathematical functions that relate angles and sides of triangles.
Cosine (cos) Function: A trigonometric function that relates an angle in a right triangle to the ratio of the length of the adjacent side to the length of the hypotenuse.
Tangent (tan) Function: A trigonometric function that relates an angle in a right triangle to the ratio of the length of the opposite side to the length of the adjacent side.
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