Trigonometric functions: Difference between revisions

 

=={{header|BASIC}}==

QuickBasic 4.5 does not have arcsin and arccos built in. They are defined by identities found [http://en.wikipedia.org/wiki/Arctan#Relationships_among_the_inverse_trigonometric_functions here].

 

 

=={{header|Perl}}==

use Math::Trig;