Mathematics, 19.05.2021 17:00 samiller30

Let the point (a, b) be on the Unit Circle. If (a, b) has a rotation of r degrees, then which of the following is not correct? Select all that apply. cos(-r) = -a
cos(r) = a
sin(-r) = -a
sin(r) = b

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More questions: Mathematics Another questions

Let the point (a, b) be on the Unit Circle. If (a, b) has a rotation of r degrees, then which of the following is not correct? Select all that apply. cos(-r) = -acos(r) = asin(-r) = -asin(r) = b​

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Another question on Mathematics

Let the point (a, b) be on the Unit Circle. If (a, b) has a rotation of r degrees, then which of the following is not correct? Select all that apply. cos(-r) = -a
cos(r) = a
sin(-r) = -a
sin(r) = b