# 7.5 Apply the Tangent Ratio - Mrs. Luthi's geometry

Trigonometric Ratios Obj: Students will be able to use the sine, cosine, and tangent ratios to find side length of a triangle.

Trig Ratios Foldable 1. 2.

Fold paper hot-dog style leaving space at the bottom for a title. Fold the paper into thirds SOH

CAH TOA

SOH opposite sin x hypotenuse

Sine Example #1 Find sin S and sin R. Sine Example #2

Use sine to find the value of the variable CAH adjacent

cos x hypotenuse Cosine Example #1 Find cos S and cos R.

Cosine Example #2 Use cosine to find the value of the variable TOA

opposite tan x adjacent Tangent Example #1

Find tan A and tan B. Tangent Example #2 Use tangent to find the value of the variable

Assignment Pg 469 #3-13 odd, 19, 32 Pg 477 #3-15 odd, 33, 46

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