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mike mcgarry
lesson by mike mcgarry
magoosh expert
summary
the content provides an in-depth exploration of advanced trigonometry formulas, emphasizing the importance of understanding and applying these formulas rather than memorizing them for the sat exam.
  • introduction to advanced trigonometry formulas, highlighting the significance of familiarity with these formulas for the sat exam.
  • explanation of sign rules for sine and cosine, including their implications for graph shapes and the concept of even and odd functions.
  • discussion on angle addition and subtraction rules, with a focus on deriving exact values for sine and cosine of specific angles.
  • presentation of formulas for non-right triangles, specifically the law of cosines and the law of sines, and their application in solving triangle problems.
  • emphasis on practicing with these formulas to ensure comfort and familiarity, rather than rote memorization, for effective problem-solving during the exam.
chapters
00:00
introduction to advanced trigonometry formulas
00:31
sign rules and graph implications
02:00
angle addition and subtraction rules