a) Find the exact latitude (to 4 decimal places) of where you live, used to live, work, or used to work (include the zip code).
The latitude for Lacey, WA 98503 = 47.0262
(b) Using the latitude found in part a and the formula N(P), find the length of a nautical mile to the nearest foot at that location.
The formula for a nautical mile is N(P) = 6066 - 31cos(2P), where P is measured in degrees. You have ...