The angle A is found in quadrant IV, such that sin A=-4/7. Determine the exact value of sec A.

Trigonometry (MindTap Course List)
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ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section: Chapter Questions
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The angle A is found in quadrant IV, such that sin A=-4/7. Determine the exact value of sec A.
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