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finlep [7]
3 years ago
6

Which sum or difference identity could be used to prove that sin(pie + q) = -sin q

Mathematics
1 answer:
Paladinen [302]3 years ago
7 0

Answer:

see below

Step-by-step explanation:

<em><u>sin(a+b) = sin(a)cos(b) + cos(a)sin(b)</u></em>

sin(π+q) = sin(π)cos(q) + cos(π)sin(q)

sin(π) = 0

cos(π) = -1

therefore

sin(π+q) = 0*cos(q) -sin(q) = -sin(q)

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Department stores customer parking lot has four rows with an equal number of parking spots in each row. The loud also has 15 par
Katen [24]

Answer:

4c + 15

Step-by-step explanation:

THIS IS THE COMPLETE QUESTION BELOW;

A department store's customer parking lot has 4 rows with an equal number of parking spots in each row. The lot also has 15 parking spots for store employees. If c cars can be parked in each of the 4 main rows of the parking lot, what is the expression for the maximum number of cars that can be parked in the parking lot?

15c − 4

c(15 − 4)

4c + 15

4(c + 15)

✓We were told that the customer stores parking has Total number of 4 rows,

✓ for " c" cars to be parked in the 4 main rows i.e in each of them, we can calculate the overall numbers of car parked in the rolls as ( 4 × c)= 4c

✓ we were told that there are 15 parking spots available to employees in the store

✓ maximum number of cars that can fit into the parking lot will be ( 15 + 4c)

= 4c + 15

3 0
3 years ago
What is the length and width of a 864 square feet
spayn [35]
The area doesn't tell you the dimensions. There are an infinite number of different answers, all with the same area but different dimensions.
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2 ft by 432 ft
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27 ft by 32 ft.

The area of each of these is 864 square feet.
3 0
3 years ago
What is the area of the base. explain, please :)
Ber [7]

Answer:

4,200

Step-by-step explanation:

7 0
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How is adding rational numbers different from adding whole numbers
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Adding rational numbers involves adding decimals and repeating decimals like 4.6666666..... Whole numbers on the other hand involves adding 7+6 which arent exactly decimals
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spin [16.1K]

pn=x

Multiply both sides by n  

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