According to ancient legends, the black swan was considered a symbol of bad luck.

He forgot to report his taxes.

She is referred to as the most beautiful woman of that country.

He was so scared of the situation that it was life-threatening.

In this map, the latitude and longitude are indicated.

What is the breadth and length of this room?

The calculation of arccosine is a part of trigonometry.

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

He has a deep respect for classical art.

The gray whale lives in the North Pacific.