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aksik [14]
3 years ago
10

If 2tanx/1-tan^2x=1, then x can equal

Mathematics
2 answers:
NARA [144]3 years ago
5 0
Tan 2x = 2 tan x / (1-tan^2x)

hence, tan 2x = 1
2x = pi
x = pi/2.
Vladimir79 [104]3 years ago
3 0
Hello,

tan 2x=1
==>2x=(π/4+kπ)/2
==>x=π/8+kπ/2  (k integer)


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CATS A cat eats 2 cup of food each day. How many 3
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Answer:

It can last 5 more days, after the 3 days.

Step-by-step explanation:

2 x 3 = 6

in 3 days it will eat 6 cups, which leaves 10 cups left.

The cat will have 5 days left of food

(f your counting the three days as well then it will be 8 days)

Hope this helps

5 0
3 years ago
Is 5/4 a solution to the problem: 3(+9)=4−7+7.
Alik [6]

Answer:

No the soultion is not equal to 1 1/4

The solution to the given question is either 6 3/4 or  4 /27

Step-by-step explanation:

Let

3(+9)=(4−7+7)x

27 = 4x

x= 27/4

x= 6 3/4  is the answer

or

Let

3(+9) x=(4−7+7)

27x = 4

x= 4/27

The plus sign inside the bracket indicates that 3 is multiplied with positive nine and -7 and +7 are cancelled and 4 is left behind.

If x is on the left side the answer will be 6 3/4  and if it is on the right side the answer is 4/27 .

In both cases the answer is not equal to 5/4 .

5/4 means 1 1/4 which is not equal to either 6 3/4 or 4/27

5 0
3 years ago
What geometric<br> constructions can have a<br> perpendicular bisector?
Andrews [41]

Answer:

A perpendicular bisector of a line segment is a line segment perpendicular to and passing through the midpoint of (left figure). The perpendicular bisector of a line segment can be constructed using a compass by drawing circles centered at and with radius and connecting their two intersections.

5 0
3 years ago
What is seventy-nine divided by twenty-five.
Elodia [21]
3.16 is the correct answer
4 0
3 years ago
Read 2 more answers
Mark all the relative minimum points in the graph.<br> See attached!
choli [55]

The relative minimum point in the graph is (-6, 2)

<h3>How to determine the relative minimum?</h3>

To do this, we simply locate a point that at a lower level, when compared to its neighboring points

Using the above highlight, there is only one relative minimum point in the graph

And the point is located at (-6,2)

Hence, the relative minimum point in the graph is (-6, 2)

Read more about relative minimum point at:

brainly.com/question/2135521

#SPJ1

8 0
2 years ago
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