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Lady bird [3.3K]
3 years ago
10

If Sin A = { then(2Cot²A + 2) is​

Mathematics
1 answer:
alukav5142 [94]3 years ago
7 0

Answer:

18

Step-by-step explanation:

=2(cot²A+1)

=2cosec²A. [` . ` cot²A+1=cosec²A] =2(1/sinA)²

[' . 'cosecA=1/sinA]

=2×3²/1

=2cot²a+2=2×8+2=16+2=18

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The sum of two integers is 17. Two times the greater is equal to 10 times one more than the lesser. Find the two numbers.
zysi [14]

Answer:

15 and 2

Step-by-step explanation:

15+2 is 17 and 15 multiplied by 2 is 30 and 2+1 is 3 and 3 x10 is 30. Ultimately, 30=30

6 0
3 years ago
1 .the base of a trapezoid are 11 meter and 14 meters.its height is 10 meters . what is the area of the trapezoid?
garik1379 [7]

Answer:11

Step-by-step explanation:  Bases of trapezoid : 11 meters and 14 meters

height of trapezoid : 10 meters

Area of trapezoid = (sum of bases / 2) height

A = (11m + 14m)/2  * 10m

A = 25m / 2 * 10m

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8 0
3 years ago
Read 2 more answers
Please help me thank you sooooo much ( also if you take my points <br>I'm reporting you)
Amanda [17]

Answer: x=-10.2 but for me the real answer is x=10.2 but go for x=-10.2

Step-by-step explanation: hope this help

7 0
3 years ago
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(4x+8)+(2x+20)=90 help me solve this and draw a diagram
Lemur [1.5K]

Answer:

x = 31/3

Step-by-step explanation:

4x+8+2x+20=90

4x+2x+8+20=90

4x+2x+8+20=90

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5 0
3 years ago
State the gradient of the line 2y = 3 - 2x.
lyudmila [28]

Answer:

Step-by-step explanation:

2y = 3 -2x

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y = -x + 3/2

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8 0
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