The three basic trignometric ratios are sine, cosine, and tangent. The option A, B, and C are correct.
What is trigonometry?
The branch of mathematics sets up a relationship between the sides and the angles of the right-angle triangle termed trigonometry.
There are six trigonometric ratios sine, cosec,cosine,sec,tan and cot. The three trigonometric ratios from the four options are sine, cosine, and tangent.
Hence, options A, B, and C are correct.
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