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# Basic Trig

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Let $$\theta$$ be an angle such that P is the terminal point of $$\theta$$:

Some of the points Q,S,R,T can be the terminal point of $$\theta$$/2.

Not sure what $$\theta$$/2 looks like, any advice?

Jan 27, 2023
edited by Guest  Jan 27, 2023
edited by YourAverageDummy  Jan 27, 2023

### 6+0 Answers

#1
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The possible terminal points of $$\theta/2$$ are R and T.

Jan 27, 2023
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no, that is incorrect, but why would R and T be equal to $$\theta$$/2

YourAverageDummy  Jan 27, 2023
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You can find the answer posted here: http://2baksa.ws

Jan 28, 2023
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This goes to a russian video uploading website that I can't open...

YourAverageDummy  Jan 28, 2023
edited by YourAverageDummy  Jan 28, 2023
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The angle $$\theta$$ goes anti-clockwise from the positive x-axis around to the red line.  The angle $$\theta/2$$ would go half-way (again in an anti-clockwise direction) from the positive x-axis towards the red line.  It would therefore get to point Q.

Jan 29, 2023
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Thank you! That makes sense

Edit: I also noticed that point S is also a terminal point of $$\theta$$/2

YourAverageDummy  Jan 29, 2023
edited by YourAverageDummy  Jan 29, 2023