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 (csc(θ))(sec(θ))-cot(θ)=tan(θ)prove (cos(x))(cot(x))=csc(x)-sin(x)prove (sec(-x))/(tan(x)+cot(x))=sin(x)prove sin^4(z)=(1-cos^2(z))/(csc^2(z))prove sin(3a)+sin(a)=4sin(a)-4sin^3(a)
Frequently Asked Questions (FAQ)
Is cos^4(a)-sin^4(a)+1=2cos^2(a) ?
The answer to whether cos^4(a)-sin^4(a)+1=2cos^2(a) is True