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Objectives

The Trigonometric Functions and the Unit Circle. Objectives. Apply a sum or difference identity to evaluate the sine or cosine of an angle. Txtbk p.778, 814. The Trigonometric Functions and the Unit Circle. (cos, sin). six functions? Sin = 1 csc Cos = 1 sec

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Objectives

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  1. The Trigonometric Functions and the Unit Circle Objectives • Apply a sum or difference identity to evaluate the sine or cosine of an angle. Txtbk p.778, 814

  2. The Trigonometric Functions and the Unit Circle (cos, sin) six functions? Sin = 1 csc Cos = 1 sec Tan = 1 cot ( x, y ) Sin = opp hyp Cos = adj hyp Tan = opp adj

  3. The Trigonometric Functions and the Unit Circle The 30 degree angle Sin = Cos = Tan = 4 1

  4. Find the three trig functions for 11 8 3 5

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