13.2 Angles and the Unit Circle Unit Circle- a circle with a radius of 1 ...
13.2 Angles and the Unit Circle Unit Circle- a circle with a radius of 1 ...
13.2 Angles and the Unit Circle Unit Circle- a circle with a radius of 1 ...
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<strong>13.2</strong> <strong>Angles</strong> <strong>and</strong> <strong>the</strong> <strong>Unit</strong> <strong>Circle</strong><strong>Unit</strong> <strong>Circle</strong>- a <strong>circle</strong> <strong>with</strong> a <strong>radius</strong> <strong>of</strong> 1 unit <strong>and</strong> <strong>the</strong> center at <strong>the</strong> originCosine θ- <strong>the</strong> x- coordinate <strong>of</strong> <strong>the</strong> point at which <strong>the</strong> terminal side <strong>of</strong> <strong>the</strong> angle intercects <strong>the</strong>unit <strong>circle</strong>Sine θ- <strong>the</strong> y-coordinate <strong>of</strong> <strong>the</strong> point.
For each angle, find <strong>the</strong> exact values <strong>of</strong> cos θ <strong>and</strong> sin θ. Then find <strong>the</strong> decimal values.Round your answers to <strong>the</strong> nearest hundredth.6.) 135 7.) 135 8.) -60
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