Solution
Solution
+1
Solution steps
Rewrite using trig identities:
Use the following trivial identity:
Use the following trivial identity:
Simplify
Popular Examples
4cos^2(x)-1=0sin(arctan(-1))prove sec(-x)-sin(-x)tan(-x)=cos(x)prove cos(arcsin(5/13))arcsec(sqrt(2))
Frequently Asked Questions (FAQ)
What is the value of tan((2pi)/3) ?
The value of tan((2pi)/3) is -sqrt(3)