Make the given changes in the indicated examples of this section and then find the indicated values.
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Make the given changes in the indicated examples of this section and then find the indicated values.
In Example 2, interchange a and b and then find the values.
Data from Example 2
Given a = 4, b = 7, and c = √65 (see Fig. 4.33), find sin A, cos A, tan A, sin B, cos B, and tan B in exact form and in approximate decimal form (to three significant digits).
We see that A and B are complementary angles. Comparing values of the functions of angles A and B, we see that sin A = cos B and cos A = sinB.
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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