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Sine and Cosine Ratios


Question Group #1
Directions and/or Common Information: Find the sine and cosine ratios of the acute angles.


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Question Group #2
Directions and/or Common Information: Find the length of the missing sides. (If necessary round your answers to the nearest tenth.)


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Question Group #3
Directions and/or Common Information: Solve the following word problem.


A 15' ladder is leaning against the side of a building at a 40° angle.
a) How far is the bottom of the ladder from the base of the building?
b) How high up the building does the ladder reach?
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C Adams

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