Solution

prove

Solution

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

Popular Examples

prove 1/(cos^2(x))=(1/(cos(x)))^2prove 1-((cos^2(θ)))/(1+sin(θ))=sin(θ)prove tan(180-y)=-tan(y)prove cot(2x)=(cot(2x)-1)/(2cot(x))prove 1/(csc^2(x))=1-cos^2(x)

Frequently Asked Questions (FAQ)

  • Is 2sin(4x)=4sin(2x)cos(2x) ?

    The answer to whether 2sin(4x)=4sin(2x)cos(2x) is True