Soh-Cah-Toa
Also, a good understanding of sine, cosine, and tangent will be formed by the use of the Geolegs and some extra activities. Objectives (Lessons Learned) Understand the laws of equilateral, 30o-60o-90o, and 45o-45o-90o triangles. Understand how sin, cos, and tan can be calculated without a calculator. ................
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