![\bf sec(s)=cos(s)\qquad but\implies sec(\theta)=\cfrac{1}{cos(\theta)} \\\\\\ thus\cfrac{1}{cos(s)}=cos(s)\implies 1=cos^2(s)\implies \pm \sqrt{1}=cos(s) \\\\\\ \pm 1=cos(s)\impliedby \textit{now taking }cos^{-1}\textit{ to both sides} \\\\\\ cos^{-1}(\pm 1)=cos^{-1}[cos(s)]\implies cos^{-1}(\pm 1)=\measuredangle s](/tpl/images/0496/0401/500fc.png)
Sec s = 1.6948
cos s = 0.3825
find the value of s in the interval [0,/2] that makes the...
Mathematics, 03.02.2020 09:53 carsengilbert
Sec s = 1.6948
cos s = 0.3825
find the value of s in the interval [0,/2] that makes the statement true for each.
explain process.
Answers: 3
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