Solution

prove

Solution

Solution steps
Manipulating left side
Rewrite using trig identities
Use the Pythagorean identity:
Simplify
Group like terms
We showed that the two sides could take the same form

Popular Examples

prove (2sin(x)cos(x))/(cos(x))=2prove tan(x-(3pi)/2)=-cot(x)prove sin(θ)(cos^2(θ))/(sin(θ))=csc(θ)prove (tan^2(a)+1)/(sec(a))=sec(a)prove 1/(tan(β)+cot(β))=sin(β)cos(β)

Frequently Asked Questions (FAQ)

  • Is cos^2(x)+cos(x)-1+sin^2(x)=cos(x) ?

    The answer to whether cos^2(x)+cos(x)-1+sin^2(x)=cos(x) is True