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sec(x)=1/cos(x) - (hint: look at the third letter: sec->(1/)cos,

cosec->(1/)sin, cot->(1/)tan)

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โˆ™ 2011-01-29 16:26:49
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During the 1930s the new deal legislation was proposed by president Franklin Roosevelt to bring the US out of the great depression

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Q: How do you calculate sec in trigonometry?
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