Unit 3 Right Triangle Trigonometry 3 3 Sine

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

Daily Agenda What am I learning today? 180˚ ˚ 90 x • G. SRT. 7 Explain and use the relationship between the sine and cosine of complementary angles 3. 3 Sine and Cosine of Complementary Angles 90˚ complementary What am I going to do today? x • Find the complement of sine and cosine How will I show you that I’ve learned it? • 5 Question Daily Assessment • Daily Ticket out the Door opposite angle cosine

Daily Agenda 3. 3 Sine and Cosine of Complementary Angles What am I learning today? • G. SRT. 7 Explain and use the relationship between the sine and cosine of complementary angles What am I going to do today? • Find the complement of sine and cosine How will I show you that I’ve learned it? • 5 Question Daily Assessment • Daily Ticket out the Door Example 2

Daily Agenda What am I learning today? • G. SRT. 7 Explain and use the relationship between the sine and cosine of complementary angles What am I going to do today? • Find the complement of sine and cosine How will I show you that I’ve learned it? • 5 Question Daily Assessment • Daily Ticket out the Door 3. 3 Sine and Cosine of Complementary Angles Example 3

Daily Agenda What am I learning today? 3. 3 Sine and Cosine of Complementary Angles Example 3 continued • G. SRT. 7 Explain and use the relationship between the sine and cosine of complementary angles What am I going to do today? Then m Q = 60˚ • Find the complement of sine and cosine How will I show you that I’ve learned it? • 5 Question Daily Assessment • Daily Ticket out the Door Sin A and Cos B are the same which means the complement of sine and cosine are equal.

Daily Agenda What am I learning today? • G. SRT. 7 Explain and use the relationship between the sine and cosine of complementary angles What am I going to do today? • Find the complement of sine and cosine How will I show you that I’ve learned it? • 5 Question Daily Assessment • Daily Ticket out the Door 3. 3 Sine and Cosine of Complementary Angles Example 4

Daily Agenda What am I learning today? • G. SRT. 7 Explain and use the relationship between the sine and cosine of complementary angles 3. 3 Sine and Cosine of Complementary Angles Example 5 13 5 What am I going to do today? C • Find the complement of sine and cosine How will I show you that I’ve learned it? • 5 Question Daily Assessment • Daily Ticket out the Door A 37 13 12 B A 35 H 37 12 T

Daily Agenda 3. 3 Sine and Cosine of Complementary Angles Example 5 continued What am I learning today? • G. SRT. 7 Explain and use the relationship between the sine and cosine of complementary angles What am I going to do today? • Find the complement of sine and cosine How will I show you that I’ve learned it? • 5 Question Daily Assessment • Daily Ticket out the Door 10