Use a calculator to find the value of the trigonometric function to four decimal places.sec 

A. 1.0961
B. 1.1401
C. 1.2361
D. 1.0001


Answer: C

Mathematics

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A. Yes B. No

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Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A =  and its inverse A-1 =  to decode the cryptogram   .

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A. 3990 B. 7560 C. 15,120 D. 7980

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Use the Pythagorean theorem to find the length of the unknown side of the right triangle. Give an exact answer.

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