Math Problem Statement

La bisettrice NP del triangolo LMN misura 40. Determina NM, noti LNM = arccos 7/25 e M= 30°.

Solution

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Math Problem Analysis

Mathematical Concepts

Trigonometry
Angle calculations
Triangle properties

Formulas

Law of Cosines
Trigonometric identities

Theorems

Angle bisector theorem

Suitable Grade Level

High school