Use the fact that the trigonometric functions are periodic to find the exact value of the expression. Do not use a calculator.cot 

A. -1
B.
C.
D. 1


Answer: D

Mathematics

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Perform the indicated operation. Write the answer in simplest form. If the answer is an improper fraction, write it as a mixed number.

A. 15
B. 5
C. 5
D. 16

Mathematics

Find the indicated matrix.Let A =  and B = . Find A + B.

A.
B.
C.
D.

Mathematics

Write the first four terms of the binomial expansion.(m2 + 4)9

A. m18 + 36m16 + 576m14 + 10,752m12 B. m18 + 36m16 + 1152m14 + 5376m12 C. m18 + 36m16 + 1152m14 + 10,752m12 D. m18 + 36m16 + 576m14 + 5376m12

Mathematics

Simplify the expression. Use positive exponents. Assume variables represent nonzero real numbers.(-3p)8 (-3p)10

A. 318p18 B. 9p18 C. -318p18 D. 318p

Mathematics