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Evaluate: sec(5pi/4)
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1 vote
Evaluate: sec(5pi/4)

User STaefi
by
7.9k points

2 Answers

2 votes
if you see your unit circle
our coordinates for 5pi/4 are ( - rad 2 / 2 , - rad 2 /2)

sec is 1/cos

do some algebra
1/ - rad2/2
once you solve your final answer is - rad2
User Shreyangi Saxena
by
7.7k points
1 vote

Answer:

-\sqrt(2)

Explanation:

User Franchesco
by
8.7k points
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