1. The reference angle of 258° is D. 2. Which quadrant does lie? 17T 6 3. Give one coterminal angle of -115°. 4. If sin = 0.9659, then 0 is I 5.₁ I a quadrantal angle.
1. The reference angle of 258° is D. 2. Which quadrant does lie? 17T 6 3. Give one coterminal angle of -115°. 4. If sin = 0.9659, then 0 is I 5.₁ I a quadrantal angle.
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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Question
Transcribed Image Text:1. The reference angle of 258° is
I
I
2. Which quadrant does lie?
17T
6
I
3. Give one coterminal angle of -115°.
1
I
4. If sin = 0.9659, then is
I
I
5.
:: 102
:: -475°
a quadrantal angle.
:: 78
O
:: 255°
:: 270°
:: || :: IV
:: 75
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