The Phase Shift is how far the function is shifted horizontally from the usual position.
When 1 is added to another 1 they join together to form a 2. Bruh idk what 1+1 long method is. But I hope it helped.
Step-by-step explanation:
The Pythagorean theorem is:

where c is the hypotenuse.
The two wires in the sketch are the hypotenuse so we just use the formula
let the wires=x
So:




feet