2T -1 32. Evaluate without a calculator and answer in radians: sin' COS

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.2: Trigonometric Functions Of Angles
Problem 29E
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2T
-1
32. Evaluate without a calculator and answer in radians: sin'
COS
Transcribed Image Text:2T -1 32. Evaluate without a calculator and answer in radians: sin' COS
Expert Solution
Step 1

Cos (2pi/3)=-1/2 from unit circle.

y
(0,1)
,9)
,9)
TT
(9)
2T
(2,9)
3m
120
4
35
П
90°
60
4
45
(,)5
6
30
6
150
sin cos
3
(-1,0)
+T-180일
X
0° 0
(1,0)
()
= sin
210
330
11
6(,)
225
315
7m
5л
()
270
Зл
5л
4
240
300
4T
(
'(,)
3
2
(0,-1)
Elo
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ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage