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Home > A2C > Chapter 13 > Lesson 13.1.4 > Problem 13-72

13-72.

Solve 2 sin(x) cos(x) + cos(x) = 0. Give your answers in degrees or radians. Homework Help ✎

cos(x) is a common factor. Factor it out and use the Zero Product Property. Give all answers between 0° and 360° or 0 and 2π.