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GenaCL600 [577]
3 years ago
9

Which equation can be used to determine the reference angle r if 7pi/12?

Mathematics
2 answers:
Monica [59]3 years ago
7 0

Answer:

Step-by-step explanation:

Alright, lets get started.

Please refer the diagram I have attached.

If we draw the given angle \frac{7\pi }{12}, the terminal side will be in second quadrant.

So the reference angle will be the angle between x axis and the terminal side of given angle.

For this, we have to subtract it from \pi

So the reference angle will be : \pi-\frac{7\pi}{12}

making common denominator

reference angle = \frac{12\pi}{12}-\frac{7\pi}{12}

reference angle = \frac{5\pi}{12}    :   Answer

Hope it will help :)

Daniel [21]3 years ago
4 0
7pi/12 > pi/2, This means it is in 2nd quadrant.
For angles in 2nd quadrant, subtract from pi to get reference angle.

pi - 7pi/12 = 5pi/12
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