An acute angle θ is in a right triangle with cos θ =2/3 . What is the value of sec θ?

asked Jun 5, 2019 30.4k views

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2 votes

$sec \alpha = (1)/(cos \alpha)$
then
$sec \alpha =\frac {1}{(2)/(3)}$
therefore
$sec \alpha= (3)/(2)$

Emil Avramov answered Jun 9, 2019

8.3k points

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