Math Problem Statement
Triangeln △ABC
är rätvinklig med rät vinkel vid hörnet C
och vinkel β
vid hörnet B
. Beräkna a=|BC|
, givet att c=|AB|=9
, och att tanβ=8/5
.
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Right Triangle
Formulas
Pythagorean theorem
Tangent ratio
Theorems
Pythagorean theorem
Suitable Grade Level
High School
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