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If sin theta = 12/13, find the value of ...

If `sin theta = 12/13`, find the value of : `(sin^2theta- cos^2 theta)/(2 sin theta cost theta)-1/(tan^2 theta)`

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If sin theta=12/13 find the value of (sin^2 theta-cos^2 theta)/(2sin theta cos theta)xx1/(tan^2 theta)

If sin theta=(12)/(13), find the value of (sin^(2)theta-cos^(2)theta)/(2sin theta cos theta)xx(1)/(tan^(2)theta)

If cos theta=(5)/(13), find the value of (sin^(2)theta-cos^(2)theta)/(2sin theta cos theta)xx(1)/(tan^(2)theta)

If sintheta=(12)/(13) , find the value of (sin^(2)theta-cos^(2)theta)/(2sinthetacostheta)-(1)/(tan^(2)theta) .

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AGRAWAL PUBLICATION-SAMPLE PAPER 12-EXERCISE
  1. Solve for x and y: x-y = 3 and x+2y = 6

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  2. Write a quadratic equation whose zeroes are -7 and 5.

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  3. If sin theta = 12/13, find the value of : (sin^2theta- cos^2 theta)/(2...

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  4. Find the area and perimeter of a sheet of a paper which is a sector o...

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  5. If the perimeter of a circle and a square are equal, then what is the ...

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  6. The two opposite verticles of a square (-1,2) and (3,2) . Find the coo...

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  7. Find a relationship between x and y such that the point (x,y) is equid...

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  8. Find the greatest number which when divides 245 and 1029 leaves remain...

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  9. Solve for x: x^4-20x^2+64 = 0.

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  10. Solve for x and y : = (3a)/x-(2b)/y= -5 and a/x+(3b)/y= 2,x,y!= 0.

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  11. Prove that the area of an equilateral triangle descriped on a side of ...

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  12. If alpha and beta are zeros of a quadratic polynomial 4x^2+4x+1, then ...

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  13. A farmer conects a pipe of internal diameter 20 cm from a canal into c...

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  14. How many terms of the A.P. 9,17,25,….. Must be taken to give a sum of ...

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  15. 5 books and 7 pens together cost Rs 79, whereas 7 books and 5 pens tog...

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  16. The length of a rectangular plot is greater than thrice its breadth by...

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  17. A tower is 50, high. Its shadow is x metres shorter, when the sun's al...

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  18. A dice is thrown twice. What is the probability that 2 will not come u...

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  19. A bag contains 5 red, 8 green and 7 white balls. One ball is drawn at ...

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  20. Find th curved surface area of a right circular cone of height 15 cm a...

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