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Sine and cosine are cofunctions, which means that their angles are complementary. Consequently, sin (90° - x) = cos x. Secant is the reciprocal of cosine so that sec x = 1/(cos x). Knowing these properties of trigonometric functions, among others, will really help you in other advance math courses.

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โˆ™ 2016-04-30 15:52:19
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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

What economic function does the government attempt to correct for in market failures like monopolies

Protection from foreign enemies is established in the Constitutional promise to provide for what

The sharing of ideas and experimental findings with others

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โˆ™ 2015-02-15 19:47:11

sine = sqrt(1 - cosine^2)sine = secant/sqrt(secant^2 - 1)

cosine = sqrt(1 - sin^2)

cosine = 1/secant

secant = 1/sqrt(1 - sine^2)

secant = 1/cos

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Q: How are sine and cosine and secant related?
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