Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.cos ? =
,
? ? ? 2?Find cos
.
A.
B.
C. -
D. -
Answer: D
Mathematics
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Solve the problem.An election is held among six candidates (A, B, C, D, E, and F). Using the method of pairwise comparisons, A gets 4 points; B gets 3 points; C gets 2
points; D gets 1 point, and E and F tie. How many points does E get?
A. 1
B.
C. 2
D.
E. none of these
Mathematics
Solve.On a recent trip, Asha drove 256 miles on 10 gallons of gasoline. How many miles per gallon did she average?
A. 2624 miles per gallon
B. 640 miles per gallon
C. miles per gallon
D. 24 miles per gallon
Mathematics
Find the value of the exponential expression.35
A. 35 B. 4 C. 243 D. 15
Mathematics
Find the sum of the arithmetic series.(-6) + (-1) + 4 + 9 + ... + 39
A. 160 B. 165 C. 330 D. 170
Mathematics