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Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
6. Trigonometric Ratios
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Exercise 24 Page 649

Use a calculator and remember to choose degrees mode.

0.5774

Practice makes perfect
We can use a calculator to evaluate a trigonometric ratio using the TAN button. Be sure to always check that your calculator is in the correct mode. In this case, we need degrees.
Now we can round the result to the nearest ten-thousandth.
tan 30^(∘)=0.57735027...
RoundSigDig

Round to 4 significant digit(s)

tan 30^(∘)≈ 0.5774
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arrow_right Lesson Check p.649
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arrow_right Practice and Problem-Solving Exercises p.649-651
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Practice and Problem-Solving Exercises 17 (Page 649)
Practice and Problem-Solving Exercises 18 (Page 649)
Practice and Problem-Solving Exercises 19 (Page 649)
Practice and Problem-Solving Exercises 20 (Page 649)
Practice and Problem-Solving Exercises 21 (Page 649)
Practice and Problem-Solving Exercises 22 (Page 649)
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Practice and Problem-Solving Exercises 24 (Page 649)
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Practice and Problem-Solving Exercises 47 (Page 651)
arrow_right Standardized Test Prep p.651
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arrow_right Mixed Review p.651
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Mixed Review 61 (Page 651)