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01-06-2017
Mathematics

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Find the sine, cosine and tangent of A. Reduce all fractions and radicals

$Find the sine cosine and tangent of A Reduce all fractions and radicals class=$

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Аноним Аноним

01-06-2017

AC = BC = 4
AB = 4√2

sinA = BC/AB = 4 / 4√2 = 1/√2 = √2 / 2
cosA = AC/AB = √2 / 2
tanA = BC/AC = 4/4 = 1

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