Find the exact value of the following expression without using a calculator.tan (270°)
A. 1
B. 0
C. Undefined
D. -1
Answer: C
Mathematics
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Find area of circle. (Use 3.14 for ?)A circle whose radius is 5 in.
A. 31.4 in.2 B. 78.5 in.2 C. 314 in.2 D. 15.7 in.2
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Find the unknown coordinate so that the ordered pair is a solution to the given equation.y = 4x + 2, ( ? , 18)
A. 8
B. 4
C. 
D. -4
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Determine the specific solutions (if any) to the equation on the interval [0, 2?).sec2? - 2 = tan2 ?
A. 
B. 
C. 
D. no solution
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Find the least common multiple (LCM) of the pair of numbers.15 and 6
A. 90 B. 3 C. 30 D. 270
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