Solution

prove

Solution

Solution steps
Manipulating right 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 tan(x-360)=tan(x)prove cos^2(x)-1=-sin^2(x)prove ((1-cos(-x)))/(sec(-x)-1)=cos(x)prove 1-cot^2(θ)=2-csc^2(θ)prove cos(-θ+pi/2)=sin(θ)

Frequently Asked Questions (FAQ)

  • Is cos(6x)=1-2sin^2(3x) ?

    The answer to whether cos(6x)=1-2sin^2(3x) is True