Which expressions are equivalent to cos^2(105degrees) – sin^2(105°)? Check all that apply.
2 answers:
You might be interested in
Answer:
<h3>The probability that atleast 2 of them come up heads is 0.5</h3><h3>∴ P(A)=0.5</h3>Step-by-step explanation:
Given that three fair coins are flipped.
<h3>To find the probability that at least 2 of them come up heads:</h3>Sample space for the given event is
Let A be the events of getting atleast 2 Heads and is given by
A = {HHH, HHT, HTH, THH}
<h3>∴ n(A)=4</h3>Probability of Getting atleast 2 Heads in 3 Coin Tosses is
ANSWER
5
EXPLANATION
We want to simplify:
when x=2.
We substitute x=2 into the absolute value expression to obtain:
The about value of 5 means what is the distance of 5 from zero on the real number line.