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What is sec(5pi/3) ?? Need Help
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What is sec(5pi/3) ?? Need Help

What is sec(5pi/3) ?? Need Help-example-1
User PineapplePie
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2 Answers

5 votes

The above answer is correct! The correct answer is 2 :)

Just got it right on edge 2020!

User Aldie
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3 votes

Answer:

2

Explanation:

When in doubt, have your calculator evaluate this.

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The reference angle for 5π/3 is π/3. The angle is in the 4th quadrant, where the secant is positive.

sec(5π/3) = sec(π/3) = 1/cos(π/3) = 1/(1/2)

sec(5π/3) = 2

What is sec(5pi/3) ?? Need Help-example-1
User Ryanwebjackson
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