Solution
prove
Solution
Solution steps
Show that the two sides are not equal
For plug in
Refine to a decimal form
The two sides are not equal
Popular Examples
prove (-sin(-a))/(cos(-a))=tan(a)prove prove (csc(z))/(sec(z))=cot(z)prove prove 2cos(x)sin(x)=sin(2x)prove prove ((1-cos(a)))/(1+cos(a))=tan^2(a/2)prove prove cos(x-y)=cos(y-x)prove
Frequently Asked Questions (FAQ)
Is cos(2θ)-cos(θ)+1=0 ?
The answer to whether cos(2θ)-cos(θ)+1=0 is False