Question
Asked Sep 13, 2019
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Find the exact value of each expression.
sin arccos
8
(a)
co(arctan
|(b)
6
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Find the exact value of each expression. sin arccos 8 (a) co(arctan |(b) 6

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Expert Answer

Step 1

(a) We need to find the exact value of the expression

...
sin cos
First we will compute the value of cos
using a scientific calculator
-1
3
= 67.97568716
8
cos-1
sin cos-1
8
sin(67.97568716)
Hence
Again, by using a scientific calculator we compute
sin(67.97568716) 0.9270248109
. sin cos
0.9270248109
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sin cos First we will compute the value of cos using a scientific calculator -1 3 = 67.97568716 8 cos-1 sin cos-1 8 sin(67.97568716) Hence Again, by using a scientific calculator we compute sin(67.97568716) 0.9270248109 . sin cos 0.9270248109

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