Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

prove (sin(x)+cos(x))2=1+sin(2x)prove prove cot(x)cos(x)=csc(x)-sin(x)prove prove sec(2α)2-sec(2α)=sec(2α)prove prove (sin(2θ))/(sin(4θ))= 1/2 sec(2θ)prove prove (sin(2x))/(cos(x))=2sin(x)prove

Frequently Asked Questions (FAQ)

  • Is sec(2x)= 1/(cos(2x)) ?

    The answer to whether sec(2x)= 1/(cos(2x)) is True