ALEKS - Trig Equation for a Real World Situation (Precalculus)

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This video guides students through a real world situation in which they are required to solve a trig function. It corresponds to a topic in the Precalculus ALEKS pie, but is good practice regardless of whether or not you have yet to complete this topic.
  1. Rachel Schwartzbard
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This video is still relevant today! I was wondering why my calculations weren't correct, and it was because I wasn't in radians🙈🙈

TobyNguyen
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Great video, thanks. I would add, though, that the algebra at the end is somewhat tricky, such as parentheses around (2pi) in the denominator and making sure the parentheses are correct throughout. Also, for equations where either the sine or cosine is negative (different from this example), that information will tell you which quadrant to use, but the negative sign will not be a part of the inverse sine or cosine function.

josephh.