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If x sec 45^(@)=2, then what is the valu...

If `x sec 45^(@)=2`, then what is the value of x.

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The correct Answer is:
`sqrt(2)`
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EDUCART PUBLICATION-SAMPLE PAPER 7-PART - A (SECTION - I)
  1. What is mid - point of line segment AB, where A (-5,0) and B(0,5) ?

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  2. In the adjoining figure, if PA=10 cm, then find the perimeter of Delta...

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  3. If x sec 45^(@)=2, then what is the value of x.

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  4. If tan theta+cot theta=4, then find the value of tan^(4)theta+cot^(4)t...

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  5. Prove that : (sin i)/(1+cos i)=(1-cos i)/(sin i)

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  6. In an A.P., if a = 3.5, d = 0, n = 101, then find the value of a(n).

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  10. Find the area of figure given below.

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  11. If the equation x^(2)+4x+k=0 has real and distinct roots, then find th...

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  12. Examine if 1 and 2 are zeros of the polynomial p(x)=x^(3)-3x^(2)-x+3.

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  13. Which term of the A.P. -2,-7,-12, . . . will be -77 ?

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  17. Write a prime number greater than 91 but less than 100.

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  18. Find a zero of the polynomial x^3 - 8

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