Math Problem Statement
cos(o)(fcos(x)-fcos(y)+e)=a; sin(o)(fcos(x)-fcos(y)+e)=b; fsin(x)-fsin(y)+l-d=c; tìm x,y
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Systems of Equations
Formulas
cos(θ)(f cos(x) - f cos(y) + e) = a
sin(θ)(f cos(x) - f cos(y) + e) = b
f sin(x) - f sin(y) + l - d = c
tan(θ) = b / a
θ = arctan(b / a)
Theorems
Trigonometric identities
System of linear equations
Suitable Grade Level
University level (Advanced Mathematics)
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