Solution
prove
Solution
Solution steps
Manipulating left side
Use the Pythagorean identity:
Factor
We showed that the two sides could take the same form
Popular Examples
prove 1+tan^2(pi/2-x)= 1/(cos^2(pi/2-x))prove prove (sin^2(x)+cos^2(x))^2=1prove prove (sin(x))/(cos^2(x)-1)=-csc(x)prove prove sin(x)-2cos(2x)= 1/2prove prove cos(θ)-sin(θ)sin(2θ)=cos(θ)cos(2θ)prove
Frequently Asked Questions (FAQ)
Is cos^2(θ)=(1+sin(θ))(1-sin(θ)) ?
The answer to whether cos^2(θ)=(1+sin(θ))(1-sin(θ)) is True