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

A. -
B.
C. - 
D. -2


Answer: A

Mathematics

You might also like to view...

Find a1, r, an, n, or Sn for the geometric sequence, as instructed.a1 = 10, r = , an = 5; Find n.

A. 2 B. 4 C. 3 D. 1

Mathematics

Write using exponents.6 ? 6

A. 68 B. 6 + 6 C. 63 D. 62

Mathematics

Solve.How much soil is needed to fill a rectangular hole 3 feet by 2 feet by 4 feet?

A. 24 cu ft B. 36 cu ft C. 12 cu ft D. 32 cu ft

Mathematics

Graph the function corresponding to the sequence defined. Use the graph to decide whether the sequence converges or diverges.an = 

A. Converges B. Diverges

Mathematics