DISCUSS: Sinusoidal Curves The graph of
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Chapter 6 Solutions
Algebra and Trigonometry (MindTap Course List)
- The origins of the sine function are found in the tables of chords for a circle constructed by the Greek astronomers/mathematicians Hipparchus and Ptolemy. However, the origins of the tangent and cotangent functions lie primarily with Arabic and Islamic astronomers. Called the umbra recta and umbra versa, their connection was not to the chord of a circle but to the gnomon of a sundial. Research the origins of the tangent and cotangent functions. What was the connection to sundials? What other contributions did Arabic astronomers make to trigonometry? Write a paragraph or two about your findings.arrow_forwardLet 2,3 be a point on the terminal side of . Find the sine, cosine, and tangent of .arrow_forwardSketch the graph of y=2cosx on the interval 2,92.arrow_forward
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