Math

Use a calculator to evaluate the trigonometric function. Round to four decimal places. Make sure that your calculator is in the correct angle mode.

1) csc 2pi/5

1.3213?

2) sec 0.7

1.3075?

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  1. 1. I get 1.05146

    2. ok

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  2. How do you do the first one on the calculator?

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  3. since cscØ = 1/sinØ

    csc (2π/5) = 1/sin(2π/5)

    How did you get the second one correct but miss the first one ?

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  4. I think it's because I didn't put in the pi correctly.

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  5. All whole numbers are rational numbers.

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