Solution
Solution
Solution steps
Use the basic trigonometric identity:
Popular Examples
simplify sin(-a)simplify sin(-t)simplify cos(arcsin(9x))simplify cos(2tan(-1(x)))simplify sec(pi/2+x)
Frequently Asked Questions (FAQ)
What is simplify-cos(pin) ?
The solution to simplify-cos(pin) is -(-1)^n