Math Problem Statement
7cos^2-3sinx=-1-cosx
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Pythagorean Identity
Algebraic Manipulation
Formulas
Pythagorean identity: cos^2(x) = 1 - sin^2(x)
Basic trigonometric equations
Theorems
Pythagorean identity
Basic trigonometric identities
Suitable Grade Level
Grades 10-12