Use a calculator to find each angle measure to the nearest degree.118. cos-1129. tan1 (5.03)7. sin (0.82)3.10. sin-111. cos (0.23)12. tan-19.

Answered: Use a calculator to find each angle…

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Question

Use a calculator to find each angle measure to the nearest degree.
11
8. cos-1
12
9. tan1 (5.03)
7. sin (0.82)
3.
10. sin-1
11. cos (0.23)
12. tan-1
9.

Expert Solution

Step 1

$u \sin g a c a l c u l a t o r, w e h a v e t o f i n d e a c h a n g l e m e a s u r e t o t h e n e a r e s t d e g r e e . \sin^{- 1} (0.82) = 55.084794 ° \Rightarrow \sin^{- 1} (0.82) = 55^{°} (T o t h e n e a r e s t d e g r e e) \cos^{- 1} (\frac{11}{12}) = 23.556464 ° \Rightarrow \cos^{- 1} (\frac{11}{12}) = 24 ° (R e m a i n i n g t o n e a r e s t d e g r e e) \tan^{- 1} (5.03) = 78.755799 ° \Rightarrow \tan^{- 1} (5.03) = 79 ° (T o t h e n e a r e s t d e g r e e)$

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