Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify sin(90-x)cos(x)simplify cos(a)+cos(-a)simplify 3sin(2x-pi/6)+2simplify tan(arctan(x/4))simplify x/(tan(45+y))
Frequently Asked Questions (FAQ)
What is cos((9pi)/2+x) ?
The solution to cos((9pi)/2+x) is -sin(x)