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If costheta=3/4 , then find the value...

If `costheta=3/4` , then find the value of `9tan^2theta+9` .

A

12

B

15

C

16

D

17

Text Solution

Verified by Experts

The correct Answer is:
C
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OSWAL PUBLICATION-SAMPLE PAPER 2-QUESTION BANK
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  2. If costheta=3/4 , then find the value of 9tan^2theta+9 .

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  3. Find the value of k for which the system of simultaneous equations x+2...

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  4. If tan^2 45^@-cos^2 30^@=x.sin 45^@ cos45^@ then find the value of x.

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  5. If the circumference of a circle is 22 cm, find the area of the semici...

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  6. Find the value of 9cosec^2A-9cot^2A.

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  7. The number of polynomials having zeroes as -2 and 5 is

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  8. If the radius of a circle is 9.8 cm, then what is the circumference of...

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  9. What are the zeroes of the polynomial x^2-9?

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  10. The probability of getting a prime number when a die is thrown once is...

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  11. Value of (1-tan^(2)45^(@))/(1+ tan^(2)45^(@)) is

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  12. The area of a sector of angle theta^(@) of a circle with radius R is

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  13. If alpha and beta are the zeros of x^(2) + 5x + 8 then the value of (...

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  14. What is the perimeter of a semicircle?

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  15. A bag contains 3 red and 2 blue marbles. A marble is drawn at random. ...

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  16. The persons start walking together and their steps measure 40 cm, 42 c...

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  17. For what value of k ,\ -4 is a zero of the polynomial x^2-x-(2k+2) ?

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  18. If x=psectheta and y=qtantheta then

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