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Unit 3: Right Triangle Trigonometry

Unit 3: Right Triangle Trigonometry. 3.3 Sine and Cosine of Complementary Angles. Daily Agenda. 3.3 Sine and Cosine of Complementary Angles. 180˚. 90˚ - x. 90˚. complementary. x. o pposite angle. cosine. Daily Agenda. 3.3 Sine and Cosine of Complementary Angles. Example 2.

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Unit 3: Right Triangle Trigonometry

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  1. Unit 3: Right Triangle Trigonometry 3.3 Sine and Cosine of Complementary Angles

  2. Daily Agenda 3.3 Sine and Cosine of Complementary Angles 180˚ 90˚ - x 90˚ complementary x opposite angle cosine

  3. Daily Agenda 3.3 Sine and Cosine of Complementary Angles Example 2

  4. Daily Agenda 3.3 Sine and Cosine of Complementary Angles Example 3

  5. Daily Agenda 3.3 Sine and Cosine of Complementary Angles Example 3 continued Then mQ = 60˚ Sin A and Cos B are the same which means the complement of sine and cosine are equal.

  6. Daily Agenda 3.3 Sine and Cosine of Complementary Angles Example 4

  7. Daily Agenda 3.3 Sine and Cosine of Complementary Angles Example 5 A A 13 13 35 5 C H B T 12 12 37 37

  8. Daily Agenda 3.3 Sine and Cosine of Complementary Angles Example 5 continued 10

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