Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify sin(x)+sin(-x)simplify sin(90-a)simplify tan(arccos(x/3))simplify tan(arcsin(x/5))simplify cos(pi-npi)
Frequently Asked Questions (FAQ)
What is cos(180-a) ?
The solution to cos(180-a) is -cos(a)