Visual meaning of 'sine'? - learn with images, example in daily life

Visual illustration of sine: In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

noun

In a right triangle, the ratio of the length of the side opposite an angle to the length of the hypotenuse.

"In a right triangle with a 30-degree angle, the sine of that angle is 0.5, meaning the side opposite the angle is half the length of the hypotenuse. "