Solution

prove

Solution

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

Popular Examples

prove (1-cos(x))/(sec(x)-1)=cos(x)prove sin^2(t)+cos^2(t)=1prove tan(-x)=tan(x)prove cos^2(2θ)-sin^2(2θ)=2cos^2(2θ)-1prove csc(x)*cos^2(x)+sin(x)=csc(x)

Frequently Asked Questions (FAQ)

  • Is cot(a)sin(a)=cos(a) ?

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