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Find the measure of a negative angle coterminal with 90°.

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Answer:

-270 is the smallest negative possible angle.

Explanation:

Cotrrminal Angle have been period of 360 degrees.

Since we won't it to be negative, we subtract 360.


90 - 360 = - 270

We can keep going infinitely if we want to.


- 270 - 360 = - 630

Or so on...

User Christopher Robin
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