1.6 and 1.7 Trigonometric Functions

# 1.6 and 1.7 Trigonometric Functions - 1 r sec cos x = = 1 r...

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Trigonometric Functions Sections 1.6 & 1.7

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A trigonometric ratio is a ratio of sides of a right triangle. The three most common ratios are sine , cosine , and tangent . x y r θ
SOH – CAH - TOA sine = sin = opposite y hypotenuse r = cosine = cos = adjacent x hypotenuse r = tangent = tan = opposite y adjacent r = θ

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Reciprocal Functions

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Unformatted text preview: 1 r sec cos x = = 1 r csc sin y = = 1 x cot tan y = = Joke Time What do you get when you cross an elephant with a fish? Swimming trunks! What do you get when you cross an elephant with a kangaroo? Big holes all over Australia!...
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## This note was uploaded on 12/01/2011 for the course MATH 111 taught by Professor Stuff during the Winter '11 term at BYU.

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1.6 and 1.7 Trigonometric Functions - 1 r sec cos x = = 1 r...

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