Lesson: Section 4'3 page 267 Topic: Right Triangle Trig

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Lesson Section 4.3 page 267Topic Right
Triangle Trig

• Right Triangle Definitions of Trig Functions
  (soh-cah-toa)

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2
Lesson Section 4.3 page 267Topic Right
Triangle Trig

• Cofunctions
• sine and cosine
• tangent and cotangent
• secant and cosecant
• Cofunctions of complementary angles (remember
  what those are?) are equal. What does that mean?
• Check it on the
  table.
• Check it on the
  table.

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Lesson Section 4.3 page 267Topic Right
Triangle Trig

• Fundamental Trig Identities p. 270
• Reciprocal Identities
• Quotient Identities
• Pythagorean Identities
• What similarities do you see in these identities
  and the trig function definitions on the unit
  circle?

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Lesson Section 4.3 page 267Topic Right
Triangle Trig

• Examples p. 274 2, 6, 14, 20, 22, 28, 30, 44,
  50, 54, 58
• Homework p. 274 1-31 odd, 41-61 odd

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