Solution

prove

Solution

Solution steps
Use the Angle Difference identity:

Popular Examples

prove (sin(θ)+tan(θ))/(cos(θ)+1)=tan(θ)prove prove 2+sec(A)cos(A)=3prove prove 2/(cos(x))=2sec(x)prove prove cos(x)=sin(x)tan^2(x)cot^3(x)prove prove 7sin(7pi-x)=7sin(x)prove

Frequently Asked Questions (FAQ)

  • Is sin(a-b)=sin(a)cos(b)-cos(a)sin(b) ?

    The answer to whether sin(a-b)=sin(a)cos(b)-cos(a)sin(b) is True