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Leni [432]
3 years ago
13

Find the exact solutions of the problem algebraically: tan 2x-cot x=0

Mathematics
1 answer:
Eva8 [605]3 years ago
5 0
Tan 2x - cot x = 0
2tan x / (1 - tan^2 x) - 1/tan x = 0
2tan^2 x - (1 - tan^2 x) = 0
2tan^2 x - 1 + tan^2 x = 0
3tan^2 x - 1 = 0
tan^2 x = 1/3
tan x = + or - 1/√3
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SORRY ABOUT THE LAST ONE HELP ME PLES ASWDFEGHRJKT
bija089 [108]

Answer:

6. -2.5 + 3 = 0.5

Part B. -2.5 + x = y

4. a. Yes

   b. No

   c. No

   d. Yes

1. C. -1/8 points

3. a. -3.7 + 8 = positive number                  8 = a.           4/3 = d.                                                            

   b. -8 - 1/1/3 = negative number              -8 = b, c.         -5 = b, d.                                                                            

   c. -8 + 8 = 0                                          -4.9 = b, d.     -5.4 = b, d.                                                                                                            

   d. -4.52 + -4.9 = negative number       3.8 = a, d.    3.86 = a, d.                                                                                                

Step-by-step explanation:

Those are the correct answers.

5 0
3 years ago
Read 2 more answers
A cable television company had 8500 subscribers in a suburban community. The company offers two premium channels, A and
ASHA 777 [7]
This is a problem on  a venn diagram in which the problem determines the number of subscribers that are mutually heeding for channel A and channel B. The equation to be followed is 

U = U' + A + B + AandB
Substituting,
8500 = 5140 + 2450+1980- AandB
AandB = 1070 subscribers
3 0
3 years ago
This graph shows how the total number of appetizer recipes jonathon knows depends on the number of weeks he attends culinary sch
Travka [436]

Answer:

3

Step-by-step explanation:

.........................

7 0
2 years ago
Mrs.Lopez has two kinds of flowers in her garden. The ratio of lilies to daisies in the garden is 5:3. If there are 10 lilies, w
aliya0001 [1]

Answer:

16

Step-by-step explanation:

8 0
3 years ago
The library is halfway between your house and your school. If your house is located at (-4,-3) and the library is at (2,-1), wha
aleksandrvk [35]
I believe it would be (-2,-2) i may be wrong though i dont have my graphing papers
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