Solution
Solution
Solution steps
Show that the two sides are not equal
Popular Examples
prove 5sec^2(x)+4=9sec^2(x)-4tan^2(x)prove csc(-x)-sin(-x)=cos(x)cot(x)prove cos(20pi-x)+sin((83pi)/2+x)=0prove 1/(cot(a)+tan(a))=sin(a)cos(a)prove sin(x)sin(2x)+cos(x)cos(2x)=cos(x)
Frequently Asked Questions (FAQ)
Is sin(2x)=1-cos(2x) ?
The answer to whether sin(2x)=1-cos(2x) is False