##### cppreference.com

##### Search

Create account

##### Namespaces

- Page
- Discussion

##### Variants

##### Views

- View
- Edit
- History

##### Actions

# cacosf, cacos, cacosl

From cppreference.com
< c‎ | numeric‎ | complex

Defined in header `<complex.h>` |  |
float complex cacosf( float complex z ); |  | (since C99)
double complex cacos( double complex z ); |  | (since C99)
long double complex cacosl( long double complex z ); |  | (since C99)

Computes the complex arc cosine of `z` with branch cuts outside the interval [−1,+1] along the real axis.

### [edit] Parameters

z | - | complex argument

### [edit] Return value

The complex arc cosine of `z` in the interval [0; π] along the real axis and in the interval (−∞; ∞) along the imaginary axis.

### [edit] Example

| This section is incomplete Reason: no example

### [edit] See also

casin casinf casinl (C99)(C99)(C99) | computes the complex arc sine (function) [edit]
catan catanf catanl (C99)(C99)(C99) | computes the complex arc tangent (function) [edit]

Retrieved from "http://en.cppreference.com/mwiki/index.php?title=c/numeric/complex/cacos&oldid=62520"
Category:

- Todo no example