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Topic:
[mathlearn] Trig equations
Replies:
4
Last Post:
Feb 6, 2001 5:12 PM




Re: [mathlearn] Trig equations
Posted:
Feb 6, 2001 4:09 PM


>Rex asked: > >>Opinions, please, on solving trig equations. >> >>Example, Solve sin 4x = sqrt(3)/2 in [0, 2pi] >> >>I teach this traditionally, but if a student asked me why she can't just >>solve this using her graphics calculator, I would have to mumble things >>about patterns, elegance, understanding, etc. >> >>How would you answer such a question?
If I did not want the student using the calculator, I would write the problem:
Solve for x [1, 2pi] sin(ax) = sqrt(3)/2
Murray Siegel Sam Houston State U.
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