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asin

Description

The asin function for CSS computes the arcsine with a single calculation and returns the result in radians.

If the calculation is less than -1 or greater than 1, the result is NaN.

Syntax

CSS

asin()

Values

<asin()> =
    asin(
        <calc-sum>
    )
<calc-sum> =
    <calc-product>
    [ [ '+' | '-' ] <calc-product> ]*
<calc-product> =
    <calc-value>
    [ [ '*' | '/' ] <calc-value> ]*
<calc-value> =
    <number> |
    <dimension> |
    <percentage> |
    <calc-constant> |
    ( <calc-sum> )
<number>

An integer or zero or more decimal digits followed by a dot (.) followed by one or more decimal digits. The first character may be preceded by a sign (- or +). The last character may be succeeded by an exponent (e or E) and an integer.

<dimension>

A number with a unit.

<percentage>

Specifies the percentage using a number followed by a percent sign (%).

<calc-constant> =
    e |
    pi |
    infinity |
    -infinity |
    NaN
e

The base of the natural logarithm, approximately equal to 2.7182818284590452354.

pi

The ratio of a circle's circumference to its diameter, approximately equal to 3.1415926535897932.

infinity

Positive infinity.

-infinity

Negative infinity.

NaN

Not a number.

*

Multiplication.

/

Division.

+

Addition.

-

Subtraction.

Examples

1 · arcsine

2 · +

3 · -

4 · *

5 · /

6 · JS

acos

atan

atan2

cos

sin

tan

abs

acos

atan

atan2

attr

calc

clamp

color

conic-gradient

cos

counter

counters

hsl

hsla

hwb

lab

lch

linear-gradient

matrix

matrix3d

max

min

mod

oklab

oklch

param

perspective

radial-gradient

rem

repeating-conic-gradient

repeating-linear-gradient

repeating-radial-gradient

rgb

rgba

rotate

rotate3d

rotateX

rotateY

rotateZ

round

scale

scale3d

scaleX

scaleY

scaleZ

sin

skew

skewX

skewY

src

tan

translate

translate3d

translateX

translateY

translateZ

url

var

World Wide Web Consortium (W3C)

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