asked 201k views
4 votes
Evaluate without a calculator: sec 30°

1 Answer

1 vote

Answer:

sec 30° = 1/cos 30° = 2.

Explanation:

The secant function (sec) is the reciprocal of the cosine function. So, sec(x) = 1/cos(x). The value of cosine at 30 degrees is sqrt(3)/2, and its reciprocal is 2/sqrt(3), which can be simplified to 2. Hence, sec(30°) = 2.

answered
User Sethen
by
8.5k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.