This math topic focuses on basic trigonometric identities and their relationships, specifically sine, cosine, and tangent. It involves selecting the correct trigonometric ratio based on variable ratios given, such as the side opposite to the angle over the side adjacent to the angle (opp/adj), adjacent over hypotenuse (adj/hyp), and opposite over hypotenuse (opp/hyp). The problems require understanding and application of trigonometry foundations to identify these ratios correctly.
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Select the trigonometry ratio that this is the definition of