One of the correct steps to evaluate A B) None Ⓒ [+ + [ 1².40-16.4040] -S de cos 40d0 + [ 140 + 1 = cos 40d0 [₁40-S² de- 0 x [+de + + sin (D) E sin²20d0 sin²20d0 cos²20 de is

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 20RE
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Question
One of the correct steps to evaluate
A
K
A)
S
cos 40d0
0
B
None
Ⓒ[/² + 1/40]
do
cos 40d0
X
ग्र
(D
4
S₁₂
sin²20d0
0
0
"
E
SÃ do + SÃ₁
sin²20d0
0
0
do
de
0
cos²20 de is
Transcribed Image Text:One of the correct steps to evaluate A K A) S cos 40d0 0 B None Ⓒ[/² + 1/40] do cos 40d0 X ग्र (D 4 S₁₂ sin²20d0 0 0 " E SÃ do + SÃ₁ sin²20d0 0 0 do de 0 cos²20 de is
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