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kotykmax [81]
2 years ago
12

Question 12 please Tan(a)/ Sec(a)-cos(a)

Mathematics
1 answer:
stepladder [879]2 years ago
4 0

Answer:

Step-by-step explanation:

\frac{tan ~\alpha }{sec~\alpha -cos~\alpha } \\=\frac{\frac{sin~\alpha }{cos~\alpha } }{\frac{1}{cos~\alpha } -cos~\alpha } \\multiply~numerator~and~denominator~by~cos~\alpha \\=\frac{sin~\alpha }{1-cos^2~\alpha }=\frac{sin~\alpha }{sin ^2~\alpha } \\=\frac{1}{sin~\alpha } \\=cosec~\alpha

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The chart below shows conversion between kilometers and miles.
podryga [215]

The missing value in the table is 12.4

<h3>Conversion between Units </h3>

From the question, we are to determine the missing value in the table

From the given information,

The chart shows conversion between kilometers and miles

The given table is

Kilometers           Miles

2                            1.2

7                            4.2

20                          ?

30                          18

NOTE: 1 kilometer ≈ 0.62 miles

Then, 20 kilometer ≈ 20×0.62 miles

20 kilometer ≈ 12.4 miles

Hence, the missing value in the table is 12.4

Learn more on Conversion between units here: brainly.com/question/7716790

#SPJ1

3 0
1 year ago
HELPPP ASAP!!!
Anestetic [448]

Answer:

M = 2, (0, 4)

Step-by-step explanation:

M = (4-0)/(2-0)

M = 2

The intercept on y axis is 4

8 0
3 years ago
can someone help me solve this problem? A model is made of an airplane. The airplane is 48 feet long and the model is 36 inches
Wewaii [24]

36 inches = 3 feet ( 36/12 = 3)

 3/48 = 1/16 ratio

4 0
3 years ago
When i looked it up it said subject b was the awnser but as you can see thats not true
Alona [7]

Answer: D

Step-by-step explanation:

Because, subject D wants to please the teacher he is going to lie and say what the person D thinks would make the teacher like him more. The others will not lie to please the teacher they will give their honest opinion because they dont care if they please the teacher or not.

3 0
3 years ago
Product A is an 8oz bottle of cough medication that sells for $1.36. Product B is a 16-oz. bottle of cough medication that costs
kolezko [41]

Answer:

8 oz bottle

Step-by-step explanation:

1.36/8 = .17

3.20/16 = .20

7 0
3 years ago
Read 2 more answers
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