MACHINE SHOP CALCULATION - OD1640 - LESSON 2/TASK 3
FIGURE 13.
VALUE OF AN ANGLE IN TERMS
OF THE SIDES.
e.
The rules for identifying angles and sides of right triangles are:
(1)
(2)
(3)
(4)
(5) Side opposite = hypotenuse x sine
(6) Side opposite = side adjacent x tangent
(7) Side opposite = side adjacent ƒ cotangent
(8) Side adjacent = hypotenuse x cosine
(9) Side adjacent = side opposite x cotangent
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