Find the exact value of y, or state that y is undefined.y = cos-1 (-4)
A. ?
B. undefined
C. 0
D. -4
Answer: B
Mathematics
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A. A = 10 in B. A = 20 in C. A = 10 in2 D. A = 20 in2
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A. 3 to 2 B. 4 to 5 C. 3 to 5 D. 4 to 1
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Add.-21 + 6
A. 15 B. 27 C. -27 D. -15
Mathematics