The calculation of arcsine is a part of trigonometry.

Trigonometric functions are one of the basic concepts in mathematics.

Part of this movie is based on actual events.

He is planning to hold an autograph event next week.

He signed my book.

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

He signed the contract.

An arc of electricity passed through the air.

Inside the cinema, the arc lamp was shining brightly.

This math problem requires an understanding of functions.