Question

true or false

1.The value of tan A is always less than 2. cos A is the abbreviation used for the cosecant ofangle A.
3. The value of cos  increases as  increases.
4. Zeroes of quadratic polynomial x 2 + 7x + 10 are 2 and -5
5. Sum of zeroes of 2x 2 - 8x + 6 is -4
6. A polynomial of degree n has exactly n zeros.
7. Graph of a quadratic polynomial is an ellipse.
8. 1/0 is not rational.
9. Every fraction is a rational number.​

Answer 1

Answer:

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Step-by-step explanation:

1 false it's starts from 0 so

2 true

3 false it first increase from 45 to 90 then decrease

4 false -5 and -2

5 false it's 4

6 true .

7 false it's parabola

8 can't define

9 true

hope it's right some of done by me and fee done by my friend .and hope we will meet soon on other flatform so we can message

9