Solution
Solution
Solution steps
Use the basic trigonometric identity:
Popular Examples
simplify sin(x-90)simplify cos(270+x)simplify tan(arccos(y/9))simplify sin(t-pi)simplify tan(arccos(y/5))
Frequently Asked Questions (FAQ)
What is simplify-cos(npi) ?
The solution to simplify-cos(npi) is -(-1)^n