Solution

prove

Solution

Solution steps
Manipulating right side
Rewrite using trig identities
Rewrite as
Use the Angle Sum identity:
Simplify
Add similar elements:
We showed that the two sides could take the same form

Popular Examples

prove (cos(3θ))/(cos(θ))=1-4sin^2(θ)prove (sin^2(θ))/(cos(θ))+cos(θ)=sec(θ)prove csc(u)-sin(u)=cot(u)cos(u)prove (tan(x))/(cot(x))=tan^2(x)prove-1/2 =sin(-pi/(12))sqrt(2+\sqrt{3)}

Frequently Asked Questions (FAQ)

  • Is 2sin(z)cos(z)=sin(2z) ?

    The answer to whether 2sin(z)cos(z)=sin(2z) is True