Solution

prove

Solution

Solution steps
Manipulating left side
Express with sin, cos
Use the basic trigonometric identity:
Multiply fractions:
Cancel the common factor:
We showed that the two sides could take the same form

Popular Examples

prove cos^2(x)=(csc^2(x)-1)/(csc^2(x))prove (-sin^2(x))/(sin(x))=-sin(x)prove cos(4x)=8cos^4(x)prove ((1+cot(a)-csc(a))(1+tan(a)+sec(a)))=2prove cos(x)+1(cos(x)-1)=cos^2(x)-1

Frequently Asked Questions (FAQ)

  • Is cos(a)sec(a)=1 ?

    The answer to whether cos(a)sec(a)=1 is True