Establish the identity. cot (20) = cot ²0-1 2 cot 0

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
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Question
Establish the identity.
cot (20) =
cot ²0-1
2 cot 0
UA. cot (20) =
OB. cot (20) =
OC. cot (20) =
D. cot (20) =
tan (20)
1
tan (20)
1
tan (20)
1
468 /17/1.
2 tan 0
1+ tan 0
tan 0
4
2 tan 0
1- tan 0
1- tan 0
II
II
1
2
cot (
1
2
cot (
2
cot ()
2
cot (
1
2
cot (
cot ()
II
II
cot ²0
cot 0+1
2
cot ()
2
cot ()
cot () - 1
Avail
2
cot ()
2
cot²0-1
2
cot ²0
2 cot 0
²0-1
cot ()
2 cot0)
cot²0-1
2 cot0
cot ²0 cot²0
Transcribed Image Text:Establish the identity. cot (20) = cot ²0-1 2 cot 0 UA. cot (20) = OB. cot (20) = OC. cot (20) = D. cot (20) = tan (20) 1 tan (20) 1 tan (20) 1 468 /17/1. 2 tan 0 1+ tan 0 tan 0 4 2 tan 0 1- tan 0 1- tan 0 II II 1 2 cot ( 1 2 cot ( 2 cot () 2 cot ( 1 2 cot ( cot () II II cot ²0 cot 0+1 2 cot () 2 cot () cot () - 1 Avail 2 cot () 2 cot²0-1 2 cot ²0 2 cot 0 ²0-1 cot () 2 cot0) cot²0-1 2 cot0 cot ²0 cot²0
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