Solution
Solution
Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form
Popular Examples
prove sin(x)=-1=sin(0)=-1prove sin((3pi)/2-θ)=cos(θ)prove sin(2x)=2(cos(x))(cos(pi/2-x))prove tan^2(x)=(1+tan^2(x))/(1+cot^2(x))prove ((tan^2(θ)))/((sec(θ)-1))-1=sec(θ)
Frequently Asked Questions (FAQ)
Is 2cos^2(x)-1=-2sin^2(x)+1 ?
The answer to whether 2cos^2(x)-1=-2sin^2(x)+1 is True