Solving Cosine Equations and Trigonometric Identities with Interval Constraints

Math Problem Statement

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Trigonometry
Cosine Function
Inverse Trigonometric Functions
Interval Constraints

cos(θ) = adjacent/hypotenuse
cos^2(θ) + sin^2(θ) = 1
arccos(x) = cos^(-1)(x)

Trigonometric Identities
Inverse Cosine Properties

Grades 10-12

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