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Can you help me with the following equations?
1) sin (4x) = cos (3x) in the interval (0,2pi) (It needs to be 8 answers)
2) sin (x) = sin (2x) in the interval (0,2pi) (It needs to be 4 answers)
1 Answer
- 5 years ago
I don't think there are any possible equalities where sin4x=cos3x for all the 30 degree and 45 degree multiple angles on the typical unit circle. Perhaps one of the angles not on the unit circle is the correct answer. I don't know off the top of my head how to compute which value it would be.