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Warm up

Warm up. 1. Sin 50 o = 2. If tan (x) = 1 solve for x. Lesson 9 Nice Triangles. Objective: To learn the sin, cos , and tan functions for the two special triangles . Special Angles. 45 o. 60 o. √2. 1. 2. 1. 45 o. 30 o. 1. √3.

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Warm up

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  1. Warm up • 1. Sin 50o = • 2. If tan (x) = 1 solve for x.

  2. Lesson 9 Nice Triangles Objective: To learn the sin, cos, and tan functions for the two special triangles

  3. Special Angles 45o 60o √2 1 2 1 45o 30o 1 √3 Special Right Triangles are 30-60-90 and 45-45-90

  4. Fill in the Chart

  5. Other useful info • Converting radians to degrees on a Calculator • Ex: Convert to degrees: • MODE: degrees • [2nd][angle][3][enter] • It also can be done the other way with MODE set to radians, but it gives the answer in a decimal form instead of in terms of pi. 3 is r

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