123k views
4 votes
Use a calculator to evaluate sec 85°. a:-1.016. b:-5.679. c:1.004. d:11.474

2 Answers

6 votes

Answer:

sec(85) in decimal form is 11.47371324 so the answer is D. 11.474

Explanation:

This is the correct answer for edmentum users

User Maged Saeed
by
8.3k points
3 votes
The correct answer to this question is this one: "D. 11.474"

your calculator probably doesn't do "secant". But sec is 1/cos
so do cos(85) (in degree mode, not radian mode) then "invert it": 1 / ANS or x^-1 if you have that key

or type
1/cos(85 degrees)= 11.4737
User Eduard Brokan
by
8.7k points