Solution
simplify
Solution
Solution steps
Use the Double Angle identity:
Popular Examples
simplify 1/2*9*7simplify factor a(x-1)-(a+2)(x-1)factor simplify sqrt((3)^2+(5)^2)simplify simplify 2/x-4/(x+4)simplify 2 3/10
Frequently Asked Questions (FAQ)
What is (2cos^2(x)-cos(x)-1)/(cos(x)-1) ?
The solution to (2cos^2(x)-cos(x)-1)/(cos(x)-1) is (cos(2x)-cos(x))/(cos(x)-1)