STEP Core Video Lecture Series (Chinese)

L15 Trigonometric Identities

Video Length

67 min

Est. L.H.

11-13 hr

Language

Chinese

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Learning Objectives

  • understand the properties of trigonometric functions
  • be able to simplify and calculate trigonometric functions by means of reference angles
  • be able to derive and apply trigonometric identities, including sum and difference identities, power-reducing formulas, double angle formulas, product-to-sum identities, and sum-to-product identities
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Video lecture of L15 Trigonometric Identities

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