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

An acute angle is in a right triangle with cos 9/10. What is the value of sec?
asked 70.1k views
3 votes
An acute angle is in a right triangle with cos 9/10. What is the value of sec?

asked
User Fredrik Leijon
by
7.3k points

1 Answer

4 votes
sec θ=1/cos θ
cos θ=9/10, so sec θ=10/9
answered
User Milez
by
8.2k points
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