Solution
Solution
Solution steps
Rewrite using trig identities:
Simplify
Popular Examples
arccos((-1)/(sqrt(2)\sqrt{5)})arctan((940.69)/(983.83))1sin(pi)1-2sin^2(20)(csc(45)csc(30))/(tan(45)sec(45))
Frequently Asked Questions (FAQ)
What is the value of 4cos(-pi) ?
The value of 4cos(-pi) is -4