Как по Английски будет sinussen

noun

The trigonometric function that is equal to the ratio of the side opposite a given angle (in a right-angled triangle) to the hypotenuse.

Примеры использования:

It presents a one-point iterative technique for calculating the sine of a given angle.

noun

A cavity within a bone or other tissue, especially one in the bones of the face or skull connecting with the nasal cavities.

Примеры использования:

Your sinuses are hollow spaces within the bones of your face, behind and above your nose.