Math Problem Statement
Find the values of the trigonometric functions of 𝜃 from the information given. cos(𝜃) = − 2/5,tan(𝜃) < 0
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Quadrants in the Unit Circle
Trigonometric Identities
Formulas
Pythagorean Identity: sin^2(θ) + cos^2(θ) = 1
tan(θ) = sin(θ) / cos(θ)
csc(θ) = 1 / sin(θ)
sec(θ) = 1 / cos(θ)
cot(θ) = 1 / tan(θ)
Theorems
Pythagorean Theorem
Sign of Trigonometric Functions in Different Quadrants
Suitable Grade Level
Grades 10-12
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