Math Problem Statement
If csc(x)=9,csc(x)=9, for 90∘<x<180∘,90∘<x<180∘, then
sin(x2)=sin(x2)=
cos(x2)=cos(x2)=
tan(x2)
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Cosecant Function
Half-Angle Formulas
Pythagorean Identity
Formulas
csc(x) = 1/sin(x)
sin^2(x) + cos^2(x) = 1
sin(x/2) = ±√((1 - cos(x))/2)
cos(x/2) = ±√((1 + cos(x))/2)
tan(x/2) = sin(x/2) / cos(x/2)
Theorems
Pythagorean Identity
Half-Angle Theorem
Suitable Grade Level
Grades 10-12
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