Math Problem Statement
tana+cota+tan3a+cot3a=8cos^2a/sin6a
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Trigonometric Identities
Simplification of Expressions
Formulas
tan 3a = (3 tan a - tan^3 a) / (1 - 3 tan^2 a)
cot 3a = (3 cot a - cot^3 a) / (1 - 3 cot^2 a)
sin 6a = 2 sin 3a cos 3a
Right-hand side: 8 cos^2 a / sin 6a = 4 cos a / sin 3a
Theorems
Trigonometric Identities for Tangent and Cotangent
Double Angle Formulas
Suitable Grade Level
Grades 11-12
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