1. Solve:  sec 0 = 1.3452 for 0^o < 0 < 360^o
   
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2. Solve:  2 tan x - 1 = 0 for 0 < x < 2pi
   
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3. Find the slope and equation of a line with a 52^o angle of inclination and containing the point (4,6).
   
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4. Find the angle of inclination of the line joining (-1,7) and (2,4).
   
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