In Exercises assume 0 < < 90. Using the fact that sin 75 = 0.9659, evaluate
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In Exercises assume 0° < θ < 90°.
Using the fact that sin 75° = 0.9659, evaluate cos 195°.
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We can use the fact that cos180 cos to rewrite cos 19...View the full answer
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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