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1.
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Which of the following expression is equivalent
to
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2.
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Evaluate the following expression.
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3.
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Evaluate the following expression.
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4.
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Evaluate the following expression.
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5.
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Use the cofunction identities to evaluate the
expression below without the aid of a calculator.
a. | 0 | b. |  | c. | –1 | d. | 2 | e. | 1 |
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6.
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Evaluate the expression.
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7.
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Solve the following equation.
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8.
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Solve the following equation.
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9.
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Solve the multiple-angle equation.
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10.
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Use a graphing utility to graph the
function.
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11.
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Find the expression as the tangent of an
angle.
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12.
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Simplify the following expression
algebraically.
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13.
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Write the given expression as the cosine of an
angle.
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14.
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Find the exact value of  given that
 and  . (Both u and v
are in Quadrant II.)
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15.
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Use the figure to find the exact value of the
trigonometric function.
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16.
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Use the sum-to-product formulas to select the sum
or difference as a product.
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17.
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Use the sum-to-product formulas to select the sum
or difference as a product.
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18.
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Evaluate the expression.
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19.
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Evaluate the expression.
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20.
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Use the figure below to find the exact value of the
given trigonometric expression.
 24
45
(figure not necessarily to scale)
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