Solution

prove

Solution

Solution steps
Use the basic trigonometric identity:

Popular Examples

prove sin(θ-pi/2)=-cos(θ)prove sec(x)-cos(x)=tan(x)*sin(x)prove cot(45)=(cos(45))/(sin(45))prove sqrt((1-sin(x))/(1+sin(x)))=sec(x)-tan(x)prove cot(2x)+csc(2x)=cot(x)

Frequently Asked Questions (FAQ)

  • Is cot(2x)=(cos(2x))/(sin(2x)) ?

    The answer to whether cot(2x)=(cos(2x))/(sin(2x)) is True