Sam Z. answered • 03/15/21
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secx = -5.2
1/cosx=-5.2
1/-5.2=-.1923..........
acos=101.087.........
Dylan W.
asked • 03/15/21math precalculus
Solve: secx = -5.2 on the interval 0≤x<2π
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3 Answers By Expert Tutors
Yefim S. answered • 03/15/21
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secx = - 5.2; x = π - cos-1(1/5.2) = 1.76431 or x = π + cos-1(1/5.2) = 4.51888
Raymond B. answered • 03/15/21
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Math, microeconomics or criminal justice
cosx =1/secx = -1/5.2 =-5/26 = -0.1923 =
x = 180-78.913 = 101.087 degrees or
x = 180+78.913 = 258.913 degrees
x is in quadrant II or III
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