Yomiya-san is my best friend.

His words contained an implied meaning.

Please tell me the meaning of 'yokire'.

In trigonometry, it is important to calculate the value of the cosecant.

In order to calculate the value of the cotangent, you need to divide the length of the adjacent side of a right triangle by the length of the opposite side.

He solved complex mathematical problems using his new calculator.

In linear algebra, triangular matrices play a very important role.

There is a complex love triangle between them.

Trigonometric functions are one of the basic concepts in mathematics.

He is good at solving problems of trigonometric functions.