π-22/7 is rational or irrational 324922-π-22/7 is rational or irrational or prime or even saelokijpyzi

 0, 1 and 22/7 are rational numbers 23 or 2 is rational numbers 22/7 is not an exact value of π π is an irrational number is an irrational n...

Prove 1 tan^2x=sec^2x using triangles 312263-Prove 1+tan^2x=sec^2x using triangles saelokijpyzi

 Seth is using the figure shown below to prove the Pythagorean Theorem using triangle similarity In the given triangle DEF, angle D is 90° a...