tan(sin-1(1/2))

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 38E
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Three student's determined the value of tan(sin-1(1/2)), There work is displayed in the image below.

a) Identify the student(s) who produced an incorrect solution. For the student(s) that got incorrect solution(s) explain what they did incorrectly.
 
 
Aviva
Chris
Martin
Sin" ()-A
O Ein (A) 5
っ"Quad
sin (sin' ('/2))
cos (sin('/2)
u sin" (2)
Sincu) = V2
Let
W= sin (2)
at. 6 c
a1. 2
at: 2-1
a. (2-1)
a =1
112
sin (w)r cos (w) =
as1
coslw)
/2
1/2
ces cw) = |- (A)*
cos(w) = +
tan (sin (2) )
(?) z) 3
* tan (u)
ソ
13
S回
Transcribed Image Text:Aviva Chris Martin Sin" ()-A O Ein (A) 5 っ"Quad sin (sin' ('/2)) cos (sin('/2) u sin" (2) Sincu) = V2 Let W= sin (2) at. 6 c a1. 2 at: 2-1 a. (2-1) a =1 112 sin (w)r cos (w) = as1 coslw) /2 1/2 ces cw) = |- (A)* cos(w) = + tan (sin (2) ) (?) z) 3 * tan (u) ソ 13 S回
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