Which of the following is TRUE? A. sin? 을 + cos? 을=D 1 2 B. sin 20 + cos² 20 = 2 %3D C. sec2 - tan? % = 1 %3D | D. csc2 20 – cot2 20 = 1 O C and D O A and B O A and C O B and D
Which of the following is TRUE? A. sin? 을 + cos? 을=D 1 2 B. sin 20 + cos² 20 = 2 %3D C. sec2 - tan? % = 1 %3D | D. csc2 20 – cot2 20 = 1 O C and D O A and B O A and C O B and D
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°.
Related questions
Question
Transcribed Image Text:Which of the following is TRUE?
2 0
A. sin + cos
2
을 3D을
B. sin 20+ cos² 20 = 2
- 2
C. sec – tan? = 1
2
D. csc2 20 – cot2 20 = 1
%3D
-
O C and D
O A and B
O A and C
O B and D
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