Solution
Solution
Solution steps
Use the basic trigonometric identity:
Popular Examples
simplify tan(arccos(x/2))simplify sin(arcsin(y))simplify cos(θ+pi/2)simplify cos(x-180)simplify cot(arccos(x))
Frequently Asked Questions (FAQ)
What is cos(kpi) ?
The solution to cos(kpi) is (-1)^k