Solution

prove

Solution

Solution steps
Manipulating right side
Rewrite using trig identities
Use the Double Angle identity:
We showed that the two sides could take the same form

Popular Examples

prove sin^2(z)+cos^2(z)=1prove 1-cot(x)=sqrt(csc^2(x)-2cot(x))prove (csc^2(x))/(cot^2(x))=1+tan^2(x)prove sin(x/2)=sqrt((1+cos(x))/2)prove 1+1/(tan^2(θ))= 1/(sin^2(θ))

Frequently Asked Questions (FAQ)

  • Is (sin(2x))/2 =sin(x)cos(x) ?

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