Mr. Fuyo is my best friend.

I have been to Fuyo.

Yosawa is my best friend.

Yomiya-san is my best friend.

Please tell me the meaning of 'yokire'.

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

The calculation of the coversine is an important part of trigonometry.

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.

This kanji is an ideogram.

This park gives me peace.