Solution
prove
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove 1-cos^2(2x)=sin^2(2x)prove prove (cos^2(x)-1)/(cos(x)-1)=cos(x)+1prove prove cosh^{(2)}(x)-sinh^{(2)}(x)=1prove prove sin(2x)-cos(2x)=1-2cos(2x)prove prove cot^2(x)tan(x)sin(x)=cos(x)prove
Frequently Asked Questions (FAQ)
Is (sin(2x))/(cos(x))=2sin(x) ?
The answer to whether (sin(2x))/(cos(x))=2sin(x) is True