Find the exact value of the indicated trigonometric function of ?.sin ? = 
, sec ? < 0Find cos ? and tan ?.
What will be an ideal response?
cos ? = - 
, tan ? = - 
Mathematics
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Add. Combine like terms, and write the answer in descending order.(-5v2 + 9v) + (-3 - 6v + 8v2)
A. 3v4 + 3v2 - 3 B. 6v6 - 3 C. 3v2 + 3v + 3 D. 3v2 + 3v - 3
Mathematics
Evaluate the exponential expression.(-5)4
A. -20 B. -1 C. -625 D. 625
Mathematics
Express the radical in simplified form.- 
A. -25
B. 5
C. -5
D. 11
Mathematics
Solve.I am thinking of a whole number. My number, rounded to the nearest hundred, is 800. When the number is rounded to the nearest ten, it is 840. What numbers am I thinking of?
A. 850, 851, 852, 853, 854 B. 835, 836, 837, 838, 839 C. 840, 841, 842, 843, 844 D. 845, 846, 847, 848, 849
Mathematics