How do you find the values of the sine, cosine, and tangent functions for common angles like 30°, 45°, and 60°?
Answer 1
Karina Smith
To find the sine, cosine, and tangent values for 30°, 45°, and 60°, use the special right triangles: 30°-60°-90° and 45°-45°-90°. For 30°: sin=1/2, cos=√3/2, tan=1/√3. For 45°: sin=cos=√2/2, tan=1. For 60°: sin=√3/2, cos=1/2, tan=√3.
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