1 answer:
Answer:
Step-by-step explanation:
cos(2a) = cos^2(a) - sin^2(a)
cos(2a) = 2cos^(a) - 1
cos(2a) = 11/25
11/25 = 2 cos^(a) - 1 Add 1 to both sides
1 + 11/25 = 2 cos^2
25/25 + 11/25 = 2 cos^2(a)
36/25 = 2 cos^2 (a) Divide by 2
36/50 = cos^2 (a) Take the square root of both sides.
6/5*sqrt(2) = cos(a)
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Answer:
Step-by-step explanation:
$2.65
You can get this by subtracting the 7.35 from the 10.
10 - 7.35 = 2.65
The area is 186.03. lw = 15.9(11.7) = 186.03
Integers are negative or positive whole numbers
whole numbers do not include negatives
so ur answer is -3...it is considered an integer, but not a whole number
Answer:
<h2>in my opinion it is not possible </h2>
Step-by-step explanation:
hope it helps you have a good day
