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10 Nov 2019
55: Given sin 30° =-use trigonometric identities to find the 2' exact value of (a) cos 60° (c) csc2 3 4. ( b) cos 30° (d) sec 2
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Beverley Smith
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26 Aug 2019
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In Problems 25-36, use the definition or identities to find the exact value of each of the remaining five trigonometric functions of the acute angle θ. V3 *27. cos θ =- *28. sin θ *26, cos θ 2 *30. cote = 134. sec θ = 3 5 2 132, csc θ "29, tan θ "31: sec θ = 3 "36. cot: 2 * 33, tan θ V2
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