SQA National 5 Maths Sine
This page covers the following topics:
Sine of an angle is a ratio between the side opposite to the angle and the hypotenuse of a triangle.
Sine is one of three trigonometric functions of an angle.
sin(x) is calculated by calculating the ratio of two sides of a right-angled triangle, the opposite and the hypotenuse.
The diagram shows a sine graph.
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