Solution

prove

Solution

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

Popular Examples

prove ((tan^2(x)))/(sec(x))=sin(x)tan(x)prove cos(x)(1+tan(x))^2=sec(x)+2sin(x)prove cos(x)cot(x)= 1/(sin(x))-sin(x)prove tan(θ)=(sec(θ))/(csc(θ))prove cos(3β)=cos(β)(cos^2(β)-3sin^2(β))

Frequently Asked Questions (FAQ)

  • Is 2cos^2(x)=1+cos(2x) ?

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