MACHINE SHOP CALCULATION - OD1640 - LESSON 2/TASK 3
TRIGONOMETRIC TABLES (CONTINUED).
(2) To get the value of the sine, cosine, tangent, or cotangent of an
angle between 0,, and 45,,, proceed as follows:
(a) Find the number of degrees at the top of the page of the table.
(b) Find the number of minutes in the extreme left hand column, reading
from the top toward the bottom.