In Example 8(a), change 0.5 to 1. Data from Example 8(a) Find cos(sin 1 0.5). Knowing that
Question:
In Example 8(a), change 0.5 to 1.
Data from Example 8(a)
Find cos(sin−1 0.5).
Knowing that the values of inverse trigonometric functions are angles, we see that sin−1 0.5 is a first-quadrant angle. Thus, we find sin−1 0.5 = π/6. The problem is now to find cos(π/6). This is, of course, √3/2, or 0.8660. Thus, cos(sin−1 0.5) = cos(π/6) = 0.8660
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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