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Right Triangle Trigonometry: Using the Cosine Ratio

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Trigonometry
You'll use the cosine ratio to calculate measurements of right triangles.
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WiscOnline
Created Date 06.15.15
Last Updated 06.15.15
Viewed 630 Times
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Find the length of side a in the triangle shown. If necessary, round to the nearest tenth.
Find the length of side b in the triangle shown. If necessary, round to the nearest tenth.
Find the measure of angle A in the triangle shown. If necessary, round to the nearest tenth of a degree.
Find the length of side b in the figure shown. If necessary, round to the nearest tenth.
Find the measure of angle ABC (the angle of taper) on the part shown. If necessary, round to the nearest tenth of a degree.
Find the length of line segment QU in the rectangle shown. If necessary, round to the nearest tenth.
Find the length of side x in the triangle shown. If necessary, round to the nearest tenth.
Find the length of side y in the triangle shown. If necessary, round to the nearest tenth.
Find the measure of angle B in the triangle shown. If necessary, round to the nearest tenth of a degree.
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