Find the reciprocal of the expression.

A.
B.
C.
D.

Answer: A

Mathematics

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Solve. Write the answer as a mixed number as needed.A recipe calls for 1  cups of water. How much water would be needed for half the recipe?

A. 1 cup
B.  cups
C.  cup
D.  cup

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Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = 1?

A. 0, 2?
B. , 
C.
D. none

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Write the function in terms of its cofunction. Assume that any angle in which an unknown appears is an acute angle.cos 33°

A. sin 57° B. sec 57° C. cos 123° D. sin 33°

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Classify the triangle as acute, obtuse, right, scalene, isosceles, or equilateral. State all that apply.

A. obtuse B. scalene C. acute, scalene D. acute, equilateral

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Mathematics