5. What is the exact value of cos(™)? y (0, 1) (二) (-1,0) 号 O 0号 01 19 () (-²,-²) )。 at trafte 135° 120° 150° W 180° 210° 6 4 最 225° 240° (一) 2 这 3000 in Ne 30- 270° 3m 2 (0, -1) (六) 0° 0 (1,0) 330° 315° (學) (二) x (二)品 (培)

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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5. What is the exact value of cos(¹1)?
y
(0,1)
(六)
(六)
(學)
01
(學)
(-=-√²₁ = √²)
(-1,0) T 180°
我元 E
135°
120°
150°
210°
(六)
240°
| H2
90°
09
| 3 4 6
300⁰
9
270°
3-
2
(0, -1)
the
(六),
330⁰
315⁰
+(3²)
0° 0 (1,0)
(學)
(六)
2014年
(六)
x
(學)
Transcribed Image Text:5. What is the exact value of cos(¹1)? y (0,1) (六) (六) (學) 01 (學) (-=-√²₁ = √²) (-1,0) T 180° 我元 E 135° 120° 150° 210° (六) 240° | H2 90° 09 | 3 4 6 300⁰ 9 270° 3- 2 (0, -1) the (六), 330⁰ 315⁰ +(3²) 0° 0 (1,0) (學) (六) 2014年 (六) x (學)
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