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Gelneren [198K]
3 years ago
6

How to prove this using trig identities?

Mathematics
1 answer:
Pavlova-9 [17]3 years ago
7 0

Step-by-step explanation:

tanB + cotB = (sinB)/(cosB) + (cosB)/(sinB)

 

                      = (sin2B + cos2B)/[(cosB)(sinB)]

 

                       = 1/[(cosB)(sinB)]

 

                        = (1/cosB)(1/sinB)

 

                        = (secB)(cscB)

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Answer:

c is the answer

Step-by-step explanation:

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3 years ago
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Find the mean, median, mode, and range for each of the following sets of numbers
Sidana [21]

Answer:

The mean - 45\dfrac{2}{7}; the median - 35, the mode - 27, the range - 47.

Step-by-step explanation:

Arrange the set of data (31,74,27,58,65,27,35) in ascending order:

27, 27, 31, 35, 58, 65, 74.

The mean is the usual average, so add aal numbers and then divide by the number of numbers:

\dfrac{27+27+31+35+58+65+74}{7}=\dfrac{317}{7}=45\dfrac{2}{7}.

The median is the middle value. The middle value in the row 27, 27, 31, 35, 58, 65, 74 is 35.

The mode is the number that is repeated more often than any other, so 27 is the mode.

The largest value in the set is 74, and the smallest is 27, so the range is 74 – 27 = 47.

8 0
3 years ago
The illustration below shows the graph of yyy as a function of xxx.
Alisiya [41]
  1. The slope of the graph of the function is equal to 0 for x between x = -3 and x = -2.
  2. The slope of the graph of the function is equal to 0 for x between x = 3 and x = 4.
  3. The greatest value of y is y = 4.
  4. The smallest value of y is y = -3.

<h3>How to complete the sentences?</h3>

By critically observing the graph shown in the image attached below, we can logically deduce that the slope of the graph of this function is equal to 0 for x, between x = -3 and x = -2.

Similarly, the slope of the graph of this function is also equal to 0 for x, between x = 3 and x = 4.

Based on the graph (see attachment), the greatest value of y is 4 while the smallest value of y is -3.

Read more on slope here: brainly.com/question/3493733

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4 0
2 years ago
I WILL MARK BRAINLIEST WHAT DOES THIS MEAN????
bogdanovich [222]

Answer:

The answers are: 1 and 1.

Step-by-step explanation:

I believe they are how combinations are written. In other words:

_{n}C_{r}=(\frac{n}{r})=n!/(r!(n-r)!) (Ignore the fraction bar, I can't really format it properly).

Anyways, simply find the combination of each:

(\frac{9}{0})=9!/(0!(9-0)!)=9!/9!=1

(\frac{9}{9} )=9!/(9!(9-9)!)=9!/9!(0!)=9!/9!=1

Note that 0! equals 1.

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Answer:

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Step-by-step explanation:

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