Right Triangles: Finding Trig Ratios - Sine, Cosine, and Tangent great activity with optional QR
*There are two sets of 32 Task Cards, one with QR codes
and one without. Students find trigonometric ratios from a given right triangle. The triangles pictured are not drawn to scale. They also are not all ABC triangles. Various letters are used for the vertices. This way students do not memorize b over c, or a over b. They must look carefully at each triangle and apply SOH CAH TOA.
Students do not need the internet to use the QR’s, but they do need to have a device with a QR reader app installed, such as ScanLife.
*Student response sheet
*Extra Quiz or HW assignment with eight questions
which could also be used for an absent student.
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