How do I find the point on a line where the angle between two other points is the largest?
Gustav Källander shared this question 3 years ago
I have a line f(x) = sin(22*)x - 3sin(22*) that forms and angle between the two points A (0,3) and B (0,11). How do I find where point C (f) creates the largest angle ACB?
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Please post your .ggb file
work with this - https://en.wikipedia.org/wiki/Law_of_cosines
The cosine is strictly monotically increasing between 0° and 180°, so you are looking for a minimum of the cosine.
See the attached file.
I figured it out by creating a separate expression for the angle, whose largest value was the largest value for the angle.
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