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OpenStudy (anonymous):
How many solutions are there to the equation sec(100x) + 4 =-0.2 satisfying 0<= x <= 2pi
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OpenStudy (anonymous):
sec 100x = -4.2 cos100 x = 1/sec100x =1/-4.2 = -0.2381 100x = 180-76.23 = 103.77 degrees (least value)
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