What are the values of basic trigonometric ratios (sine, cosine and tangent) for major angles like 0°, 30°, 45°, 60°, and 90°?
Answer 1
Monique Wade
For 0°: sin=0, cos=1, tan=0; For 30°: sin=1/2, cos=√3/2, tan=1/√3; For 45°: sin=√2/2, cos=√2/2, tan=1; For 60°: sin=√3/2, cos=1/2, tan=√3; For 90°: sin=1, cos=0, tan=undefined.
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