Use the unit circle to determine the value of the given expression or state that it is undefined.tan (?)
A. 1
B. -1
C. undefined
D. 0
Answer: D
Mathematics
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Use a calculator to evaluate the expression. (Round your answer to three decimal places.)
?
A. 1.523 × 1010 B. 1.523 × 1011 C. 3.222 × 109 D. 3.222 × 1011 E. 3.222 × 1010
Mathematics
Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.-2x - 3y - 10z = 9 and 2x + 9y - 5z = 4
A. 1.327 rad B. 1.4 rad C. 1.436 rad D. 0.171 rad
Mathematics
Find the prime factorization.1606
A. 112 ? 73 B. 2 ? 11 ? 73 C. 22 ? 73 D. 22 ? 73
Mathematics
Solve the proportion two different ways. First in decimal form, then in fraction form. Write your answer in lowest terms.
= 
A. 0.02082857 or 
B. 0.18 or 
C. 1.26 or 1
D. 12.6 or 12
Mathematics