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Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 12/AHSME
1999 AMC 12/AHSME
15
15
Part of
1999 AMC 12/AHSME
Problems
(1)
Trigonometric Manipulations
Source:
1/11/2009
Let
x
x
x
be a real number such that \sec x \minus{} \tan x \equal{} 2. Then \sec x \plus{} \tan x \equal{}
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0.1
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0.2
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C
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0.3
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D
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0.4
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<span class='latex-bold'>(A)</span>\ 0.1 \qquad <span class='latex-bold'>(B)</span>\ 0.2 \qquad <span class='latex-bold'>(C)</span>\ 0.3 \qquad <span class='latex-bold'>(D)</span>\ 0.4 \qquad <span class='latex-bold'>(E)</span>\ 0.5
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0.1
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0.2
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0.3
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0.4
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E
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0.5
trigonometry