Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify sin(y-pi)simplify cos(arctan(x)+arctan(x))simplify 3sin(x-30)simplify tan(2x-pi/2)simplify sin(-20x)
Frequently Asked Questions (FAQ)
What is cos(-90+x) ?
The solution to cos(-90+x) is sin(x)