Question: 3. (2 points) Calculate cos , 4. (3 points) Solve the following equation for 0 3. (2 points) Calculate cos 12 4. (3 points) Solve


3. (2 points) Calculate cos , 4. (3 points) Solve the following equation for 0
3. (2 points) Calculate cos 12 4. (3 points) Solve the following equation for 0 0 < 27T : 4cos2 0 1 = 2
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