Math Problem Statement
csc(21°)=sec(___°)
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Reciprocal Functions
Complementary Angles
Formulas
csc(θ) = 1/sin(θ)
sec(θ) = 1/cos(θ)
sin(θ) = cos(90° - θ)
Theorems
Complementary Angle Identity
Suitable Grade Level
Grades 9-12
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