Solution

prove

Solution

Solution steps
Use the Angle Sum identity:

Popular Examples

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

Frequently Asked Questions (FAQ)

  • Is sin(α+β)=sin(α)cos(β)+sin(β)cos(α) ?

    The answer to whether sin(α+β)=sin(α)cos(β)+sin(β)cos(α) is True