Register
If cos x is approximately 0.4226, what is the measurement of x to the nearest degree? Approximately what is the sine of the angle that is complementary to x. A.25; 0.9063 B.25; 0.4226 C. 65; 0.9063 D.
230k views
5 votes
If cos x is approximately 0.4226, what is the measurement of x to the nearest degree?

Approximately what is the sine of the angle that is complementary to x.

A.25; 0.9063
B.25; 0.4226
C. 65; 0.9063
D. 65; 0.4226

User JBach
by
5.7k points

1 Answer

2 votes

Answer:

D.

Explanation:

IF cos(x)=0.4226 then
x = cos^(-1) (0.4226) = arc(0.4226) ⇒ x=65° so Compl. x = (90° - x) = 25⁰, finally sin (25⁰) = 0.4226

User Nikitz
by
6.0k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

6.6m questions

8.7m answers

Other Questions

What is the least common denominator of the four fractions 20 7/10 20 3/4 18 9/10 20 18/25
What is 0.12 expressed as a fraction in simplest form
arlos has $690,000 he wants to save. If the FDIC insurance limit per depositor, per bank, is $250,000, which of these ways of distributing his money between three banks will guarantee that all of his money
What is the initial value and what does it represent? $4, the cost per item $4, the cost of the catalog $6, the cost per item $6, the cost of the catalog?
What is distributive property ?
Link Copied!