About This Lesson
In this video learn how to solve problems using Trig Half Angle Identity 3. Compute using Trig Half Angle Identity 3 Videos by Julie Harland organized at YourMathGal.com.
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Half-angle identities are not introduced until Junior and/or Senior year in a Trigonometry or Precalculus class. There is no standard that specifically address half-angle and are usually covered in Precalculus which is not aligned to the common core.