Learning a new input method is difficult.

Could you please tell me how to calculate the excenter of this triangle?

He drew a triangle on the blackboard.

In Finnish, the adessive case is used to express location and time.

We are looking for new partnerships to strengthen our business contact.

Contact with him changed my life.

Without knowledge of auxiliary verbs, it is difficult to understand Japanese grammar.

This land has a wide road frontage to the south.

Japanese clitics are important for understanding grammar.

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.