<u>Answer:</u>
Value of cosθ is ±√7/3 .
<u>Step-by-step explanation:</u>
According to the Question , value of :

And , we know the identity of sine and cosine as ,
<u>Using</u><u> </u><u>,</u><u> </u><u>this</u><u> </u><u>ident</u><u>ity</u><u> </u><u>we</u><u> </u><u>have</u><u> </u><u>;</u><u> </u>

Now , here since θ is in 2nd quadrant and in 2nd quadrant cos is negative . Hence ,the value of cos will be :
Answer:
602.44
Step-by-step explanation:
13.5 times 10.5 equals 141.75 square feet
then 141.75 times 4.25
Answer:

Step-by-step explanation:

4 1/4 lbs of onions = 1llb
so there are 4 x 3 servings = 12 servings in 1 lb
6 servings in 1/2 lb
total of 12+6= 18 servings
you can also use ratio and proportion
converted to decimals to eliminate fractions
,25/3= 1.5/x
cross multiply
.25x= 4.5
x=18
hope this helps
5. D. <span>2.25k≥180;k≥80
6. A. </span>