Solution
prove
Solution
Solution steps
Show that the two sides are not equal
Popular Examples
prove (1-cos^2(a))/(cos^2(a))=tan^2(a)prove prove cos^2(90)-sin^2(90)=cos(180)prove prove 1-sin(r)=cos(r)prove prove sin(15)=sqrt((1-cos(30))/2)prove prove sin(-1)=-sin(1)prove
Frequently Asked Questions (FAQ)
Is 1/(cos^2(x))=20 ?
The answer to whether 1/(cos^2(x))=20 is False