About This Lesson
In this video learn more trig functions. Videos by Julie Harland organized at YourMathGal.com. BasicTrigIdentity7
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Trigonometric Identities are not introduced until Junior and/or Senior year in a Trigonometry or Precalculus class. There is no standard that specifically address Even and Odd Trig Identities and are usually covered in Precalculus which is not aligned to the common core.