B C a A b. Note: Triangle may not be drawn to scale. Suppose a = 80 and c = 89. %3D Find an exact value. (Write a fraction.) sin(B) = cos(A) = tan(B) = cot(A) sec(B) csc(A) = Questions for thau 100

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.4: Multiple-angle Formulas
Problem 16E
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Question
B
C
a
A
b
Note: Triangle may not be drawn to scale.
Suppose a =
80 and c = 89.
Find an exact value. (Write a fraction.)
sin(B) =
cos(A)
%3D
tan(B) =
cot(A)
%3D
sec(B)
csc(A) =
%3D
Questions for thought: What do you observe with each row's pair?
Geometrically, why is this the case?
Transcribed Image Text:B C a A b Note: Triangle may not be drawn to scale. Suppose a = 80 and c = 89. Find an exact value. (Write a fraction.) sin(B) = cos(A) %3D tan(B) = cot(A) %3D sec(B) csc(A) = %3D Questions for thought: What do you observe with each row's pair? Geometrically, why is this the case?
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