Answered

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Find the reference angle for a rotation of 129º.

Sagot :

In order to find a reference angle, we need to find the smallest possible angle formed between the x-axis and the terminal line of the given angle, going either clockwise or counterclockwise.

Since the given angle is 129°, and 90<129<180, it will look something like this:

As we can see, the reference angle will be

[tex]180-129=51[/tex]

so it will be 51°.

View image KinzeW485599
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