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Sladkaya [172]
3 years ago
8

Hello someone help please what is the product of (cosA+2)(cosA-3)​

Mathematics
1 answer:
svetoff [14.1K]3 years ago
7 0

Answer:

cos²A - cosA - 6

Step-by-step explanation:

Given

(cosA + 2)(cosA - 3)

Each term in the second factor is multiplied by each term in the first factor, that is

cosA(cosA - 3) + 2(cosA - 3) ← distribute both parenthesis

= cos²A - 3cosA + 2cosA - 6 ← collect like terms

= cos²A - cosA - 6

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Schach [20]

Answer:

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Step-by-step explanation:

= { \rm{(8 + 7i) - (5 - 3i)}} \\  \\  = { \rm{(8 - 5) + (7 + 3)i}} \\  \\ { =  \rm{3 + 10i}}

8 0
2 years ago
Read 2 more answers
Need help with #11 a and b please
sergij07 [2.7K]
The slope--- 5.2x represents how much income is increased based on the worker's experience year
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I'm sure you don't need this becuz u post this question a week ago
8 0
3 years ago
A will states that 5/6 of an estate is to be divided among relatives of the remaining a state 1/3 goes to the American cancer so
Naddik [55]

Answer:

1/18

Step-by-step explanation:

5/6 of an estate is to be divided among relatives

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8 0
3 years ago
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pshichka [43]
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Answer:

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Step-by-step explanation:

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