Use the fundamental identities to simplify the expression.1 - cos2 ?
A. sin ?
B. sin2 ?
C. tan2 ?
D. - sin2 ?
Answer: B
Mathematics
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Perform the indicated operation.(5n7)(7n4)
A. 35n11 B. 35n28 C. 12n11 D. 12n28
Mathematics
Solve the equation.4x = 256
A. {4} B. {64} C. {3} D. {5}
Mathematics
Add.
A. 1.82x4 - 2.81x3 - 0.47x2 + 1.91x - 1.13 B. 1.82x12 - 2.09x9 - 0.47x4 + 0.63x - 1.13 C. 1.82x4 - 2.09x3 - 0.47x2 + 0.63x - 1.13 D. 1.82x4 - 1.09x3 + 0.53x2 + 0.63x - 1.13
Mathematics
Write a word name for the decimal.6.55
A. Six and fifty-five hundredths B. Six and fifty-five thousandths C. Six and fifty-five millionths D. Six and fifty-five tenths
Mathematics