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How Do You Find Cos 3? [Solved]
The value of cos 3 degrees can be calculated by constructing an angle of 3° with the x-axis, and then finding the coordinates of the corresponding point (0.9986, 0.0523) on the unit circle. The value of cos 3° is equal to the x-coordinate (0.9986). ∴ cos 3° = 0.9986.
cos(3x) in terms of cos(x)
cos
COS3
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Trigonometry : cos 3θ in terms of cos θ : ExamSolutions Maths Video Tutorials
Tutorial on trigonometry and how to express cos3x in terms of cosx YOUTUBE CHANNEL at …
