Cosine is a research based sales training, sales coaching and sales consulting firm that is the leader in the integration of proven science and sales. Based in New York, United States, we study the scientific disciplines of social psychology, communication theory, cognitive psychology, social neuroscience, cognitive neuroscience and behavioral economics. We then take the repeatable and predictable principles, which science has proven to create and enable influence, out of the laboratory and academic journals and apply them to selling.

Cosine is a research based sales training, sales coaching and sales consulting firm that is the leader in the integration of proven science and sales. Based in New York, United States, we study the scientific disciplines of social psychology, communication theory, cognitive psychology, social neuroscience, cognitive neuroscience and behavioral economics. We then take the repeatable and predictable principles, which science has proven to create and enable influence, out of the laboratory and academic journals and apply them to selling.

Cosine is a research based sales training, sales coaching and sales consulting firm that is the leader in the integration of proven science and sales. Based in New York, United States, we study the scientific disciplines of social psychology, communication theory, cognitive psychology, social neuroscience, cognitive neuroscience and behavioral economics. We then take the repeatable and predictable principles, which science has proven to create and enable influence, out of the laboratory and academic journals and apply them to selling.