Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Use the Pythagorean identity:
Simplify
We showed that the two sides could take the same form

Popular Examples

prove sin^2(x)=cos(2x)-2prove (tan(θ)cot(θ))/(cos(θ))=sec(θ)prove 2(cos(θ-1))^2=cos^4(θ)-sin^4(θ)prove cos(x)= 15/17prove csc(A)-sin(A)=(cos(A))(cot(A))

Frequently Asked Questions (FAQ)

  • Is 1+cos^2(x)=2-sin^2(x) ?

    The answer to whether 1+cos^2(x)=2-sin^2(x) is True