We decided to lower the price of this product.

There are big waves in the sea.

This area has many grabens, making the terrain distinctive.

Chikou is my best friend.

He was involved in anti-Japanese activities.

Please calculate the value of the cotangent, which is one of the trigonometric functions.

How much is the price of this product?

He is deserving of that award.

Nami is my best friend.

A big wave rushed to the shore.