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Helga [31]
3 years ago
15

An acute angle θ is in a right triangle with cos θ = 9/10 . What is the value of sec θ?

Mathematics
2 answers:
xenn [34]3 years ago
8 0

By definition

... sec(θ) = 1/cos(θ) . . . . trig identity

... sec(θ) = 1/(9/10) . . . . substitute the given value, then simplify to ...

... sec(θ) = 10/9

Jobisdone [24]3 years ago
7 0

10/9 because sec x=1/cos x

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