Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
We showed that the two sides could take the same form

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is cos(7x)+cos(3x)=2cos(5x)cos(2x) ?

    The answer to whether cos(7x)+cos(3x)=2cos(5x)cos(2x) is True