Zahraa J.

asked • 09/14/20

, Sin 78 degrees 21’ to 4 decimal places.

Mark M.

Consult the operation manual for your calculator for instructions.
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09/14/20

Zahraa J.

currently dont have a calculator
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09/14/20

1 Expert Answer

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William W. answered • 09/14/20

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There are 60 minutes (minutes are denoted as ') in one degree so 21/60 = 0.35° so the angle is 78.35°. Using a calculator, we input sin(78.35) and get 0.9794 (rounded to 4 decimal places)

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William W.

If you don't have a calculator, use desmos. You can google it. Free online calculator and graphing utility
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09/14/20

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