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Prove that sin^(2) A+ sin^(2) A tan^(2) ...

Prove that `sin^(2) A+ sin^(2) A tan^(2) A = tan^(2) A . `

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AGRAWAL PUBLICATION-SAMPLE PAPER 10-EXERCISE
  1. Using the quadratic formula, find the roots of the quadratic equation:...

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  2. If tan A = (7)/(24) find the value of sin A cos A.

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  3. Prove that sin^(2) A+ sin^(2) A tan^(2) A = tan^(2) A .

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  4. If the centroid of Delta ABC having vertices A(a, b), B(b, c) and C(c,...

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  5. The perimeter of a sheet of paper in the shape of a quadrant of a circ...

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  6. If sin theta + cos theta = sqrt 3, then what is tan theta + cot thet...

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  7. Evaluate : (sin 30^(@) + tan45^(@) - cosec 60^(@))/(sec 30^(@) + cos 6...

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  8. If the points A(1,-2),B(2,3),C(a,2)andD(-4,-3) forms a parallelogram, ...

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  9. In the figure, all three sides of a triangle ABC touch the circle at p...

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  10. The product of the LCM and HCF of two numbers is 24.The difference of ...

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  11. How many spherical lead shots each 4.2 cm in diameter can be obtain...

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  12. The first term of an A.P. is 5, the last term is 45 and the sum is 400...

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  13. A tree is broken by the wind. The top of that tree struck the ground a...

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  14. Theorem 6.8 : In a right triangle, the square of the hypotenuse is equ...

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  15. Write any two irrational numbers whose product is rational number.

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  16. LCM of ( 2^(3) xx 3 xx5) and ( 2^(4) xx 5xx 7) is

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  17. A quadratic polynomial , whose zeroes are -3 and 4 is

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  18. Discuss the nature of the quadratic equation 2x^(2)+x+4=0

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  19. Write the 2nd term of the AP, if its S(n)=n^(2)+2n.

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  20. Find the roots of x+(1)/(x)=2

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