C.12 The azimuth formula between two stations i and j is αij = tan-1 X. - Xi y; - yi Write the linearized form of this equation in terms of the variables x;, Yi, xj, X;, and yj. ik C.13 The formula for an angle Zjik is α ¡k - α ¡j, where a is defined in Problem C.12. Write the linearized form of this equation in terms of the variables Xi, Yi, Xj, Yj, Xk, and yk.

Structural Analysis
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ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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From Adjustment Computations 6th Edition. 

C.12 The azimuth formula between two stations i and j is
αij = tan-1
X.
-
Xi
y; - yi
Write the linearized form of this equation in terms of the variables x;,
Yi, xj,
X;, and
yj.
ik
C.13 The formula for an angle Zjik is α ¡k - α ¡j, where a is defined in Problem
C.12. Write the linearized form of this equation in terms of the variables
Xi, Yi, Xj, Yj, Xk, and yk.
Transcribed Image Text:C.12 The azimuth formula between two stations i and j is αij = tan-1 X. - Xi y; - yi Write the linearized form of this equation in terms of the variables x;, Yi, xj, X;, and yj. ik C.13 The formula for an angle Zjik is α ¡k - α ¡j, where a is defined in Problem C.12. Write the linearized form of this equation in terms of the variables Xi, Yi, Xj, Yj, Xk, and yk.
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