# SohCahToa - Designed by: Emily Freeman McEachern High...

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Designed by: Emily Freeman McEachern High School 2400 New Macland Rd Powder Springs, GA 30127

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Warm – up : Find the missing measures. Write all answers in radical form. 45° 45° x w 7 60° 30° 10 y z Session 17
The Trigonometric Functions we will be looking at SINE COSINE TANGENT 13.4 & 13.5

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The Trigonometric Functions SIN E COS INE TAN GENT
SIN E Prounounced “sign”

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Prounounced “co-sign” COS INE
Prounounced “tan-gent” TAN GENT

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Prounounced “theta” Greek Letter θ Represents an unknown angle
θ opposite hypotenuse Sin Opp Hyp = adjacent Cos Adj Hyp = Tan Opp Adj = opposite

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We need a way to remember all of these ratios…
Old Hippie Some Old Hippie Came A Hoppin’ Through Our Apartment

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SOH CAH TOA Old Hippie Sin Opp Hyp Cos Adj Hyp Tan Opp Adj
Finding sin, cos, and tan

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θ 6 8 10 SOH CAH TOA 10 8 10 6 6 8 Opp Hyp Cos Adj Hyp θ= Tan Opp Adj = 4 5 = 3 5 = 4 3
Find the sine, the cosine, and the tangent of angle A. Give a fraction and decimal answer (round to 4 places).

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## This note was uploaded on 01/12/2011 for the course MAT117 MAT 117 taught by Professor Ranjitrebello during the Spring '09 term at University of Phoenix.

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SohCahToa - Designed by: Emily Freeman McEachern High...

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