Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

prove (1-cos(x))(1+sec(x))=-1prove prove 2cos^2(a)=(1+sec(2a))cos(2a)prove prove sec(a)-sin(a)tan(a)=cos(a)prove prove (cos(t))/(sec(t)-tan(t))=1+sin(t)prove prove sin((13pi)/2+x)=cos(x)prove

Frequently Asked Questions (FAQ)

  • Is 2/(cos^2(x))=2sec^2(x) ?

    The answer to whether 2/(cos^2(x))=2sec^2(x) is True