Solution
Solution
Solution steps
Rewrite as
Apply the periodicity of :
is undefined
Popular Examples
cos(60)cos(30)-sin(60)sin(30)cos^2(157.5)-sin^2(157.5)arccos(sin(-(5pi)/6))arcsin(sin(-(3pi)/4))30*cos(45)
Frequently Asked Questions (FAQ)
What is the value of tan((19pi)/2) ?
The value of tan((19pi)/2) is Undefined