Question

Use the given information to determine the exact trigonometric value. cos theta=2/3,0<∅<90°,sec∅

Answer 1

For future reference anytime the show me button below the question in edge, the end of the video shows you the answer on the practice sessions.

Explanation:

Answer 2

C

Explanation:

I think this means you want the secant between 0 and 90 degrees.

The Secant(theta) = 1/Cos(theta)

Cos(theta) = 2/3

1/cos(theta) = 1//2/3 = 3/2

Answer: C