Geometry Worksheet
Right Triangle Trigonometry - Sine & Cosine Ratios
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Right Triangle Trigonometry - Sine & Cosine Ratios
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This worksheet contains problems on the sine and cosine
ratios in right triangle trigonometry. Students are asked to
express the sin and cos of a specified angle in a right triangle as a ratio
and to use the sine and cosine ratios to
find missing side lengths in right triangles.
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Sample Problems from Worksheet (diagrams not shown) |
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1) Write the ratio for cos B.
3) Find the ratio for cos x.
4) In right triangle ABC, sin A = 1/2 What is cos A?
6) Liola drives 225 m up a hill
that has a slope of 6°. What horizontal distance,
to the nearest hundredth of a meter, has she covered?
8) A geologist at point A measures the distance and angle of elevation to two columns
of the Glen Rose formation in Texas. If the distance AS = 787 feet and the distance
AN = 975 feet, compute the difference in the heights of the two columns to the nearest
foot.
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