Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify cos(x)-cos(-x)simplify cos(90+a)simplify cos(-sin(x))simplify sin(θ-90)simplify cos(arcsin(13x))
Frequently Asked Questions (FAQ)
What is cos(x+2pi) ?
The solution to cos(x+2pi) is cos(x)