Multiple Choice Identify the
choice that best completes the statement or answers the question.
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1.
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Right triangle has , a = 6, and b =
. Use this information to find .
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2.
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Find cos A in the right triangle below.
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3.
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Use the Cofunction Theorem to fill in the blank so that the expression becomes a
true statement. _____
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4.
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Use the Cofunction Theorem to fill in the blank so that the expression becomes a
true statement. _____
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5.
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Simplify the following expression by first substituting values from the table of
exact values and then simplifying the resulting expression. Table
of Exact Values
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6.
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Simplify the following expression by first substituting values from the table of
exact values and then simplifying the resulting expression. Table
of Exact Values
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7.
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Simplify the following expression by first substituting values from the table of
exact values and then simplifying the resulting expression. Table
of Exact Values
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8.
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Find the exact value for .
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9.
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There is a right triangle ABC with , b =
8.68, and c = 10.12. Use a calculator to find cos A. Round your answer to the nearest
hundredth.
a. | 0.86 | b. | 0.87 | c. | 0.50 | d. | 0.51 | e. | 0.49 |
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10.
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Suppose each edge of the cube shown in the figure is 4 inches long. Find the
sine and cosine of the angle formed by diagonals GB and GD.
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