Solution
Solution
Solution steps
Manipulating left side
We showed that the two sides could take the same form
Popular Examples
prove (1+cos(2x))/(sec^2(x))=2cos^4(x)prove sin(x)sec(x)cot(x)=cot(x)prove sin((7pi)/4)=sin((-pi)/4)prove cos(pi-θ)=cos(θ)prove tan(x)= 4/5
Frequently Asked Questions (FAQ)
Is cos^2(x)-2sin^2(x)=3cos^2(x)-2 ?
The answer to whether cos^2(x)-2sin^2(x)=3cos^2(x)-2 is True