Math Problem Statement
buktikan: cotan⁴a (1-cos⁴a) - 2cotan²a = 1
Solution
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Math Problem Analysis
Mathematical Concepts
Trigonometry
Trigonometric Identities
Algebraic Manipulation
Formulas
cot a = cos a / sin a
cot^2 a = cos^2 a / sin^2 a
cos^2 a + sin^2 a = 1 (Pythagorean Identity)
Theorems
Pythagorean Identity
Suitable Grade Level
Grades 10-12
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