Home
Class 10
MATHS
Evaluate (x)/(sqrt(a^(2)+x^(2))) where a...

Evaluate `(x)/(sqrt(a^(2)+x^(2)))` where `a=x tan theta`.

A

`sec^(2) theta`

B

`cos theta`

C

0

D

`tan theta`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 02

    EDUCART PUBLICATION|Exercise SECTION-C|10 Videos

  • SAMPLE PAPER 02

    EDUCART PUBLICATION|Exercise SECTION - A|11 Videos

  • SAMPLE PAPER 02

    EDUCART PUBLICATION|Exercise SECTION - D|9 Videos

  • SAMPLE PAPER 01

    EDUCART PUBLICATION|Exercise PART-B (SECTION-V)|4 Videos

  • SAMPLE PAPER 03

    EDUCART PUBLICATION|Exercise Section - C|10 Videos

Similar Questions

Explore conceptually related problems

Evaluate (y^(2))/(b^(2))-(x^(2))/(a^(2)) , where x= a tan theta and y = b sec theta

Evaluate (y^(2))/(b^(2))-(x^(2))/(a^(2)) , whre x=a tan theta and y= b sec theta .

Find tan^(-1). (x)/(sqrt(a^(2) - x^(2))) in terms of sin^(-1) , where x in (0, a)

Evaluate: int_(0)^(a)(dx)/(x+sqrt((a^(2)-x^(2))))quad or int_(0)^((pi)/(2))(d theta)/(1+tan theta)

If tan^(2) {pi(x+y)}+cot^(2) {pi (x+y)}=1+sqrt((2x)/(1+x^(2))) where x, y in R , then find the least possible value of y.

Evaluate :int(dx)/(sqrt((x-1)(2-x))) by the substitution x=1+sin^(2)theta .Hence,find the value of int_(1)^(2)(dx)/(sqrt((x-1)(2-x)))

Evaluate: intsec^2x/sqrt (1-tan^2x)dx

Find tan^(-1)(x)/(sqrt(a^(2)-x^(2))) in terms of sin^(-1) where x in(0,a).

If theta is an acute angle and sin((theta)/(2))=sqrt((x-1)/(2x)) ,then tan theta is equal to

EDUCART PUBLICATION-SAMPLE PAPER 02-SECTION-B
  1. If the perimeter of a semi-circular protractor is 36cm, then its diame...

    Text Solution

    |

  2. If we toss two unbiased coins simultaneously then the probability of g...

    Text Solution

    |

  3. What is the measure of the hypotenuse of a right triangle, when its me...

    Text Solution

    |

  4. Evaluate for what value of c for which the system of linear equations ...

    Text Solution

    |

  5. If is proposed to build a single circular park equal in area to the su...

    Text Solution

    |

  6. Evaluate (x)/(sqrt(a^(2)+x^(2))) where a=x tan theta.

    Text Solution

    |

  7. Evaluate (y^(2))/(b^(2))-(x^(2))/(a^(2)), whre x=a tan theta and y= b ...

    Text Solution

    |

  8. A circle's circumference is equal to the sum of the circumferences of ...

    Text Solution

    |

  9. What is the LCM of smallest prime and smallest composite natural numbe...

    Text Solution

    |

  10. A,B and C start at the same time in the same direction to run around a...

    Text Solution

    |

  11. Two "angles are supplementary to each other. The larger of two supplem...

    Text Solution

    |

  12. Evaluate the simplified value of (1+cot^(2) theta)(1-cos theta)(1+cos ...

    Text Solution

    |

  13. If DeltaABC~DeltaPQR then evaluate the length of AC. If perimeter of D...

    Text Solution

    |

  14. On choosing a letter randomly from the letters of the word "ASSASSINAT...

    Text Solution

    |

  15. A man goes 15 m due west and then 8 m due north. How far is he from...

    Text Solution

    |

  16. In an equilateral triangle DeltaPQR, PT is an altitude. Then the value...

    Text Solution

    |

  17. Salesman was having a lot of 100 shirts of which 88 are good, & 8 have...

    Text Solution

    |

  18. An arc of length of length 19 cm of a circle of radius 30 cm, subtends...

    Text Solution

    |

  19. A girl of height 90 cm is walking away from the base of a lamp-post...

    Text Solution

    |

  20. Evaluate x + y, if 217x + 131y = 913 and 131x + 217y = 827.

    Text Solution

    |