3 years ago

For what x-value(s) does cos(x) = 1? -360° 0° 360° all of the above

1 answer:

7 0

Cos(x) = 1 at 0 and 2pi 360 and -360 is the same angle as 2pi so all of the above if you start at 0 and make a complete circle (360) you will be back at point 0.

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