Question

Find the value of sec 19 degrees using your calculator
also what does 'sec' mean?

Answer 1

To the nearest thousandth, it is 0.058.
The secant function is the reciprocal of the cosine function, which is the x-coordinate of the point where the terminal side of an angle intersects the unit circle.

Answer 2

sec is also known as 1/cos.
Use the calculator to find 1/cos19