A company has 30 different people that work for it. They need to send 4 people to 4 different job sites. In how many ways can th
1 answer:
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Using the cosine double angle formula,
(Note I took the positive case since terminates in the first quadrant)
Using the Pythagorean identity,
(Note I took the positive case since terminates in the first quadrant)
Answer:
is the answer.
Step-by-step explanation:
Given:
<u>Step 1: Converting the mixed fraction into fraction:</u>
Multiply 4 by 2 add 1 to the result.
<u></u> =
=
=
<u>Step 2: Performing the multiplication using the fraction</u>
= >
=>
<u>Step 3: Converting the product back to mixed fraction </u>
divide 81 by 16 and find the remainder
=>
Dividing 81 by 16 we get 5 as quotient and 1 as remainder
Thus the result in mixed fraction will be
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