Question
Asked Oct 7, 2019
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Find the approximate value of s, to four decimal places, in the interval [0, pi/2] that makes the statement true.

sec s = 4.5600

How can I get the answer? since my calculator does not have sec or sec-1

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Expert Answer

Step 1

Given: -

sec s 4.5600 and interval 0,
2
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sec s 4.5600 and interval 0, 2

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Step 2

To find: -

Approximate value of s, to four decimal places
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Approximate value of s, to four decimal places

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Step 3

Calculation...

It is given that sec s = 4.5600
1
1
coS S
4.56
sec s
cos S 0.2192
Now, just take the inverse of cos to get the value of s,
scos (0.2192)
s 1.3498
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It is given that sec s = 4.5600 1 1 coS S 4.56 sec s cos S 0.2192 Now, just take the inverse of cos to get the value of s, scos (0.2192) s 1.3498

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Math

Trigonometry