Proofs

Proofs!!! I could never grasp proofs they were too much for me How could side-angle-side equal prove that the hypotenuse squared plus, the cosine of angle A equal the square root of Pi? How could (x+a)^n=?_(k=0)^n¦?(n¦k) x^k a^(n-k) ? prove to be the same as f(x)=a_0+?_(n=1)^8¦(a_n cos??npx/L?+b_n sin??npx/L? ) How could a squared plus b squared equal the sine of angle abc if angle cba was obtuse? How could the right leg of an isosceles triangle be equal to the sum of two right angles? If Jimmy had two ducks and I had four turkeys, how do we get three and one-half turduckens between us? Good thing I can count to ten, otherwise I would really be lost!