Solution
simplify
Solution
Solution steps
Rewrite using trig identities
Popular Examples
simplify cos(pin)simplify simplify sin(-θ)simplify simplify cos(pi/2+x)simplify simplify sin(pi-θ)simplify simplify cos(x-pi)simplify
Frequently Asked Questions (FAQ)
What is cos(x+pi) ?
The solution to cos(x+pi) is -cos(x)