Register
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places. The cosine of the complimentary angle of 60°. a. 0.50 c. 0.25 b. 0.86 d. 0.71
135k views
1 vote
Use a calculator to find the approximate value of the expression. Round the answer to two decimal places.

The cosine of the complimentary angle of 60°.

a.

0.50

c.

0.25


b.

0.86

d.

0.71

User Yahia Farghaly
by
8.2k points

2 Answers

3 votes

Answer:

0.86

Explanation:

User Jglatre
by
8.3k points
1 vote
The complementary angle of 60° is 30°

cos(30°) = (√3)/2 ==> cos30°=0.86 (or b.)

User Juanmah
by
7.4k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
A bathtub is being filled with water. After 3 minutes 4/5 of the tub is full. Assuming the rate is constant, how much longer will it take to fill the tub?
i have a field 60m long and 110 wide going to be paved i ordered 660000000cm cubed of cement  how thick must the cement be to cover field
Write words to match the expression. 24- ( 6+3)
Link Copied!