CEFR C1

arc sine

noun

Meaning

The inverse function of the sine function, which returns the angle whose sine is a given number.

Examples

Use the arc sine function on your calculator to determine the angle from the sine value.
The arc sine of 0.5 is exactly 30 degrees.

Synonyms: inverse sine, arcsin

Learn English that separates you from the crowd with Anaversity: private classes, Ani practice, Campus tools, and a public English-learning community.

arc sine (C1)

noun

Pronunciation: /ˌɑːrk ˈsaɪn/

Also written: arcsine. Same meaning; acceptable spelling variants.

Definition

The inverse function of the sine function, which returns the angle whose sine is a given number.

Examples

Use the arc sine function on your calculator to determine the angle from the sine value.
The arc sine of 0.5 is exactly 30 degrees.

How to Use arc sine

arc sine of (prepositional phrase): the mathematical operation applied to a specific value — "Find the arc sine of 0.707 to get 45 degrees."

Synonyms of arc sine

Words with a similar meaning to arc sine:

Browse the full Anaversity dictionary