Use a calculator to approximate the sec 51.2° to three decimal places.
A) 0.627
B) 1.596
C) 0.779
D) 1.283

Name: Use a calculator to approximate the sec 51.2° to three decimal places. A) 0.627 B) 1.596 C) 0.779 D) 1.283
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Question

Quizplus · Accepted Answer

The secant of an angle in degrees is the reciprocal of the cosine of that angle. Therefore, sec(51.2°) = 1/cos(51.2°). Using a calculator to find cos(51.2°) and then taking the reciprocal gives approximately 1.596.

Use a Calculator to Approximate the Sec 51