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Which of the following trigonometric equations must be true with respect to the figure below?

$ \cos \theta = \cfrac{4}{5} $

$ \tan \theta = \cfrac{4}{5} $

$ \sin \theta = \cfrac{3}{5} $

$ \sec \theta = \cfrac{5}{4} $

$ \cfrac{\sin \theta}{cos \theta}=\cfrac{4}{3} $