Trigonometry – Problems in 2 dimensions

Unit 13 : Trigonometry – Problems in 2 dimensions. Learning Objectives. ... sin x = b/c c Figure 3 cos x = a/c x b. tan x = b/a a Example 2 The angle of elevation of a balloon from a man on the ground is 41o and it is 200m from the man. ... BY/sin 23o = 300/sin 21 o ) 23o )44 o . BY =_____ m A 300 m B (to the nearest m) Example 5 In figure 8 ... ................
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