Math Problem Statement

Найдите значение ctgαctgα, если известно, что sinα−2cosα4sinα−cosα=−3sin⁡α−2cos⁡α4sin⁡α−cos⁡α=−3.

Solution

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Math Problem Analysis

Mathematical Concepts

Trigonometry
Equation Solving
Trigonometric Ratios

Formulas

sinα - 2cosα / 4sinα - cosα = -3
cotα = cosα / sinα

Theorems

Trigonometric Identity
Cotan Definition

Suitable Grade Level

Grades 10-12