III PERFORMANCE TASK 3.4 I Got You! Sum and Difference Formulas NAME: Grade 9- Score: Direction: Complete the proof below. sin(A+B) tan A+tan B Verify if sin(A-B) tan A-tan B Statements Reasons tan A + tan B tan A - tan B Quotient Identity of tan A tan A+ tan B LCD tan A - tan B tan A + tan B Division of Fractions tan A - tan B sin A cos B + cos A sin B cos A sin B tan A + tan B tan A - tan B sin A cos B tan A + tan B sin(A + B) tan A - tan B sin(A - B)
III PERFORMANCE TASK 3.4 I Got You! Sum and Difference Formulas NAME: Grade 9- Score: Direction: Complete the proof below. sin(A+B) tan A+tan B Verify if sin(A-B) tan A-tan B Statements Reasons tan A + tan B tan A - tan B Quotient Identity of tan A tan A+ tan B LCD tan A - tan B tan A + tan B Division of Fractions tan A - tan B sin A cos B + cos A sin B cos A sin B tan A + tan B tan A - tan B sin A cos B tan A + tan B sin(A + B) tan A - tan B sin(A - B)
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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PERFORMANCE TASK 3.4 I Got You!
Sum and Difference Formulas
NAME:
Grade 9 -
Score:
Direction: Complete the proof below.
sin(A+B)
tan A+tan B
Verify if
sin(A-B)
tan A-tan B
Statements
Reasons
tan A + tan B
tan A - tan B
Quotient Identity of tan A
tan A + tan B
LCD
tan A - tan B
tan A + tan B
Division of Fractions
tan A-tan B
tan A + tan B
sin A cos B + cos A sin B
tan A- tan B
sin A cos B cos A sin B
sin(A + B)
sin(A - B)
tan A + tan B
tan A- tan B
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