Solution
Solution
Solution steps
Rewrite using trig identities
Use the basic trigonometric identity:
Popular Examples
simplify cot(45-x/2)simplify cos^2(100x+pi/3)simplify cos(n-pi)simplify sqrt(5-5sin^2(x))simplify cot(-x)tan(-x)
Frequently Asked Questions (FAQ)
What is cos(npi-pi) ?
The solution to cos(npi-pi) is -(-1)^n