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Big Ideas Math Geometry, 2014
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Big Ideas Math Geometry, 2014 View details
7. Law of Sines and Law of Cosines
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Exercise 3 Page 513

We can use a calculator to evaluate a trigonometric ratio using the SIN, COS, and TAN buttons.

about 0.7986

Practice makes perfect
We can use a calculator to find the degree of an angle with a given trigonometric ratio. To do so, we first push the 2ND button. Then, we push SIN, COS, or TAN buttons.

We obtained that the sine of 127^(∘) is about 0.7986.

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arrow_right Communicate Your Answer p.507
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Communicate Your Answer 4 (Page 507)
arrow_right Monitoring Progress p.508-512
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