AlgebraLab

Sine and Cosine Ratios

By C Adams

Directions and/or Common Information:

Find the sine and cosine ratios of the acute angles.

Directions and/or Common Information:

Find the length of the missing sides. (If necessary round your answers to the nearest tenth.)

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?