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tatiyna
2 years ago
12

((sinB)/1+cosB) + ((1+cosB)/sinB) = 2cscB prove that the equation is an identity

Mathematics
1 answer:
Contact [7]2 years ago
4 0

Step-by-step explanation:

If you need any explanation, we can communicate normally

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Let F(x,y)=1+sqrt(4-y^2). . (a) Evaluate F(3,1). (b) Find and sketch the domain of F. (c) Find the range of F
charle [14.2K]
The goal of this function is to get  a positive value under the square root sign so that the value would not be invalid. Evaluating F(3,1), the value is 1 + <span>sqrt(4-1^2) or equal to 1 + sqrt of 3.</span> In this case, the domain would be x equal to any numbers and the range equal to numbers from -2 ≤ y ≤ 2. 
6 0
3 years ago
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Find the quotient and simplify​
soldi70 [24.7K]

Answer:

\large\boxed{\dfrac{n^2}{4}}

Step-by-step explanation:

\dfrac{n^2+2n}{4}\div\dfrac{n+2}{n}=\dfrac{n(n+2)}{4}\cdot\dfrac{n}{n+2}\\\\\text{cancel}\ (n+2)\\\\=\dfrac{n}{4}\cdot\dfrac{n}{1}=\dfrac{n^2}{4}

4 0
3 years ago
Can someone please answer this
vlada-n [284]

Answer: 292

Step-by-step explanation: because you have to add every angle on the shape even the ones you cant see

3 0
3 years ago
X-intercept = 3, y-intercept = 2
Katen [24]

Answer:

Step-by-step explanation:

(3, 0) (0, 2)

(2-0)/(0-3) = 2/-3= -2/3

y - 0 = -2/3(x - 3)

y = -2/3x + 2

8 0
3 years ago
Why is 6 is greater than 5/8 but less than 70
AnnyKZ [126]
6 is a whole number and 5/8 is a fraction
Fractions are parts of a whole number
So a fraction is smaller than any whole number
Thats why 6 is greater than 5/8
6 is a number that is in the ones place
Once the ones place is full up the number 9 and is about to go to 10 it goes to the tens place
So anything that is in the tens place is greater than a number in the ones place
6 is in the ones place
70 is in the tens place
Thats why 6 is less than 70
5 0
3 years ago
Read 2 more answers
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