Home
Class 10
MATHS
Find the value of &nbspsec ^(2)45 ^(@) ...

Find the value of  `sec ^(2)45 ^(@) cos 45 ^(@)-"cosec"^(2) 30^(@) tan 45 ^(@)`

Text Solution

Verified by Experts

The correct Answer is:
`-4`
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 8

    EDUCART PUBLICATION|Exercise PART-A (SECTION-II)|20 Videos

  • SAMPLE PAPER 8

    EDUCART PUBLICATION|Exercise PART-B (SECTION-III)|9 Videos

  • SAMPLE PAPER 8

    EDUCART PUBLICATION|Exercise SECTION-C|10 Videos

  • SAMPLE PAPER 7

    EDUCART PUBLICATION|Exercise PART - B (SECTION - V) |8 Videos

  • SAMPLE PAPER 9

    EDUCART PUBLICATION|Exercise SECTION C|10 Videos

Similar Questions

Explore conceptually related problems

Find the value of sqrt(cosec^(2) 45^(@) - cot^(2) 45^(@))

Find the value of sin 60^(@)+ 2tan45^(@)-cos30^(@) .

The value of sin^(2) 60^(@) + 2 tan 45^(@) - cos^(2) 30^(@) is :

Find the value of cosec^(2)30^(@)sin^(2)45^(@)-sec^(2)60^(@)

What is the value of sin^(3) 60^(@) cot 30^(@) - 2 sec^(2) 45^(@) + 3 cos 60^(@) tan 45^(@) - tan^(2) 60^(@) ?

Evaluate sin^(2)45^(@)+cos^(2)60^(@)+cosec^(2)30^(@) .

The value of (tan ^(2) 60^(@) + 4 sin ^(2) 45 ^(@) + 3 sec ^(2) 30^(@) + 5 cos ^(2) 90^(@))/( "cosec" 30^(@) + sec 60^(@) - cot ^(2) 30^(@)) is

Find the value of, 2 tan 45^(@)+cos 30^(@)-sin 60^(@) .

EDUCART PUBLICATION-SAMPLE PAPER 8-PART-A (SECTION-I)
  1. Find the value of k for which the polynomial 21 x ^(2) - 3 kx + 7 has ...

    Text Solution

    |

  2. If the value of 'x' in the equation 2x + 3y = 13 is 2, then find the c...

    Text Solution

    |

  3. Find the ratio in which x-axis divides the join of points (2, -3) and ...

    Text Solution

    |

  4. The coordinates of the point P dividing the line segment joining the p...

    Text Solution

    |

  5. If Delta ABC ~ Delta DEF and AB = DE, BC = 8 cm, then the value of EF...

    Text Solution

    |

  6. ABC is a right triangle, right angled at C and AB = sqrt2 BC. Then, fi...

    Text Solution

    |

  7. The ratio fo the height of a tower and the length of its shadow is sqr...

    Text Solution

    |

  8. Find the value of &nbspsec ^(2)45 ^(@) cos 45 ^(@)-"cosec"^(2) 30^(@)...

    Text Solution

    |

  9. Find the 10^(t h)term of the AP : 2, 7, 12, . . .

    Text Solution

    |

  10. Find the sum of the first 10 multiples of 2.

    Text Solution

    |

  11. Write a quadratic polynomial whose zero are 2 and -5.

    Text Solution

    |

  12. The sum of the digits of a 2-digit number is 10. A number is selected ...

    Text Solution

    |

  13. In a single throw of a die, what is the probability of getting a prime...

    Text Solution

    |

  14. Find the median of the given data: 2, 4, 6, 12, 3, 5, 10, 8, 2, 4, ...

    Text Solution

    |

  15. If theta is the angle (in degrees) of a sector of a circle of radius...

    Text Solution

    |

  16. A cylindrical pencil sharpend at one edge is the combination of

    Text Solution

    |

  17. If one zero of p (y) = 4y ^(2) - 8 ky - 9 is negative of other, then f...

    Text Solution

    |

  18. Find the value of k if the given system of equations 5x + ky = - 7 and...

    Text Solution

    |

  19. AT is a tangent to circle with centres such that OT = 4 cm and angle O...

    Text Solution

    |

  20. If &nbspDelta ABC ~ Delta PQR &nbsp , perimeter of Delta ABC = 32 cm, ...

    Text Solution

    |