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Trigonometry

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Trigonometric Functions: Converting Cosine to Secant

TRIG-WJLIAR

Given $\cos { { 55 }^{ o } }$, find the $\sec { { 55 }^{ o } }$ (rounded to thousandths).

A

$1.743$

B

$1.221$

C

$0.700$

D

$1.744$