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