Thugnificent Thugnificent

06-05-2018
Mathematics

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What is the y-value of sin(x) when x = -90°?

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thankins2017p7070c thankins2017p7070c

06-05-2018

-90 degrees = 270 degrees

You can use the unit circle to find this value, if you wish.

sin(-90) = -1

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