Solution
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify cos(arctan(x/3))simplify sec(arcsin(x-1))simplify cos(270-x)simplify sin(arctan(1/x))simplify cot(pi-θ)
Frequently Asked Questions (FAQ)
What is cos(90+θ) ?
The solution to cos(90+θ) is -sin(θ)