WORKSHEET Identity Trigonometric
5
Subject : Mathematics Grade/Semester : X/II Academic Year : 2011/2012 Time Allocation : 20 minutes GROUP : ....................... NAME : ............................................................... GRADE : ....................................... ID : ......................................
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Transcript of WORKSHEET Identity Trigonometric
Subject : Mathematics
Grade/Semester : X/II
Academic Year : 2011/2012
Time Allocation : 20 minutes
GROUP : .......................
NAME : ...............................................................
GRADE : .......................................
ID : ......................................
Senior High School_X Grade_Semester II
STANDARD OF COMPETENCE
Using the trigonometric ratio, function, equation, and identity in problem solving
BASIC COMPETENCE
Designing a mathematical model of the problem that relate to the trigonometric ratio, function, equation, and identity
INDICATOR
Prove Simple Trigonometric Identity
LEARNING OBJECTIVES
To prove simple trigonometric identity .
LEARNING ACTIVIYIES
Each member read the material in the Student Book: Trigonometric Identity.
Leader leads discussion about: The proving of trigonometric identity. The solution of trigonometric identity problems with
Problem Solving approach in worksheet. Describe the solutions that are common to problem
Each member has to know about the finding the solution of that solution. If there is an unclear problem, ask a teacher.
Write down the group conclusion in worksheet. Each group presents their result in front of class and the other
groups pay attention.
.
Senior High School_X Grade_Semester II
Considering trigonometric ratios formula, prove the base trigonometric
identities of each following below:
a.
b.
c.
Answer:
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EXERCISE 1 :
Just a Reminder
Senior High School_X Grade_Semester II
1. Prove: 2. Prove:
Answer:
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USEFUL SUGGESTIONS FOR PROVING TRIGONOMETRIC IDENTITIES
EXERCISE 2:
You will need to use the following identities:
Senior High School_X Grade_Semester II
Simplify the fractions:
a.
b.
c.
Answer:
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Date : Score Known
Name : Group Individu Parent’s Student Teacher Class :
Group :
EXERCISE 3:
