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. -2
C. - 
D. -

Answer: D

Mathematics

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A. 19
B. -12
C. -18
D. 11

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A. 21 B. -21 C. -343 D. 343

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Find the reciprocal.

A. - 
B. 1
C.
D. - 

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Draw the angle.60°

A.

B.

C.

D.

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