Use the fundamental identities to simplify the expression.

A. cos x
B. cos2 x
C. sin x
D. sin2 x


Answer: B

Mathematics

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Perform the indicated operation. Simplify the result if possible.11 yd 2 ft. × 5

A. 64 yd 1 ft B. 58 yd 2 ft C. 58 yd 1 ft D. 14 yd 2 ft

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Solve.A farmer is planning to plant wheat in circular plots. The diameter of each plot is to be 41.4 yd. What will be the circumference of each of the farmer's plots of wheat? (Use 3.14 for ?.)

A. 134.136 yd B. 259.992 yd C. 129.996 yd D. 268.272 yd

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Solve the inequality.2 ? -16

A.
B.  ? 
C. ?
D.

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Determine whether the vectors  and  are equivalent.A(9, 3), B(15, 6), C(9, 6), and D(14, 9)

A. Not equivalent B. Equivalent

Mathematics