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 tan^2(θ)csc^2(θ)=1+tan^2(θ)prove prove cos(4a)=8cos^4(a)-8cos^2(a)+1prove prove 2cos^2(x)+cos(x)=0prove prove csc^2(x)sec^2(x)=csc^2(x)+sec^2(x)prove prove cos(2θ)=(1-tan^2(θ))/(sec^2(θ))prove
Frequently Asked Questions (FAQ)
Is cos^2(7x)-sin^2(7x)=cos(14x) ?
The answer to whether cos^2(7x)-sin^2(7x)=cos(14x) is True