Home
Class 9
MATHS
using trigonometric tables evaluate the ...

using trigonometric tables evaluate the following :
`(cot 30^(@))/(sec 30^(@)) + ("cosec 30"^(@))/(tan 45^(@)) - (2 cos 0^(@))/(sin 30^(@)) + cos^(2) 45^(@)`

Promotional Banner

Topper's Solved these Questions

  • ICSE EXAMINATION PAPER 2020

    ICSE|Exercise SECTION - B |21 Videos
  • GRAPHICAL SOLUTION(SOLUTION OF SIMULTANEOUS LINEAR EQUATIONS, GRAPHICALLY)

    ICSE|Exercise EXAMPLES|6 Videos
  • INDICES (EXPONENTS)

    ICSE|Exercise 4 Marks Questions|9 Videos

Similar Questions

Explore conceptually related problems

Evaluate (2tan45^@ xx cos 60^@)/sin30^@

Evaluate the following: (tan45^@)/(cos e c\ 30^@)+(sec60^@)/(cot45^@)-(5sin90^@)/(2cos0^@)

Find the value of : (tan45^(@))/(cosec30^(@))+(sec60^(@))/(cot45^(@))-(5sin90^(@))/(2cos0^(@))

Find the value of the following log_(cot30^@)tan45^@

With out using tables, evaluate : 4 tan 60^(@) sec 30^(@) + (sin 31^(@) sec 59^(@) + cot 59^(@) cot 31^(@))/(8 sin^(2) 30^(@) - tan^(2) 45^(@))

Without using trigonometric tables , evaluate : (i) (sin11^(@))/(cos79^(@)) (ii) (sec15^(@))/("cosec"75^(@)) (iii) (tan54^(@))/(cot36^(@)) (iv) (cos68^(@))/(sin22^(@)) (v) ("cosec"24^(@))/(sec66^(@)) (vi) (cot18^(@))/(tan72^(@))

Find the value of : (i) (tan 45^(@))/("cosec 30"^(@)) + (sec 60^(@))/(cot 45^(@)) - (5 sin 90^(@))/(2 cos 0^(@)) (ii) 3 sin^(2)30^(@) + 2 tan^(2)60^(@) - 5 cot^(2)45

Without using trigonometric table, evaluate the following: (cosec^2(90-theta)-tan^2theta)/(4(cos^2 48^@+cos^2 42^@))-(2tan^2 30^@ sec^2 52^@ sin^2 38^@)/(cosec^2 70^@-tan^2 20^@

Without using trigonometric tables evaluate. ("sin"65^(@))/("cos"25^(@))+("cos"32^(@))/("sin"58^(@))-"sin"28^(@)."sec"62^(@)+"cosec"^(2)30^(@)

(5cos^(6)60^(@)+4sec^(2)30^(@)-tan^(2)45^(@))/(sin^(2)30^(@)+cos^(2)30^(@))

ICSE-ICSE EXAMINATION PAPER 2020 -SECTION - B
  1. using trigonometric tables evaluate the following : (cot 30^(@))/(se...

    Text Solution

    |

  2. If 13 sin A = 12 Find sec A - tan A.

    Text Solution

    |

  3. A sum of Rs. 10,000 yields Rs. 3310 as compound interest in 3 years. I...

    Text Solution

    |

  4. In the given figure O is the centre of the two concentric circles. A l...

    Text Solution

    |

  5. If the mean of the observations a, a + 6, a + 2, a + 8 and a + 4 is 11...

    Text Solution

    |

  6. Factorize : 25a^(2) - 9b^(2) + 12bc - 4c^(2)

    Text Solution

    |

  7. In the given figure ABCD is trapezium, P is the mid-point of side AD a...

    Text Solution

    |

  8. Solve the following pair of linear equations using cross multiplicatio...

    Text Solution

    |

  9. In the given figure ABCD is a quadrilateral. BP is drawn parallel to A...

    Text Solution

    |

  10. The cost of moving a circular field at Rs. 16 per sq m is Rs. 2464, fi...

    Text Solution

    |

  11. In the given triangle ABC, AD bot BC. AB = 13 cm, BD = 5 cm, DC = 4 cm...

    Text Solution

    |

  12. log(2)a = 3, log(3)b = 2, log(4) c = 1 Find the value of 3a + 2b - 1...

    Text Solution

    |

  13. Use graph paper for this equation. Draw the graph of 3x-2y=5 and 2x=3y...

    Text Solution

    |

  14. Solve for x. (root(3)((3)/(5)))^(2x + 1) = (125)/(27)

    Text Solution

    |

  15. If 1 is subtracted from the numerator of a fraction is becomes (2)/(3)...

    Text Solution

    |

  16. In the given figure, PQR is a triangle where PS, QS and RS are the bis...

    Text Solution

    |

  17. Evaluate without using trigonometric tables : tan 20.tan 40^(@) tan ...

    Text Solution

    |

  18. Factorize : x^(3) - 3x^(2) + x - 3

    Text Solution

    |

  19. In the given figure, 'O' is the centre of the circle, Arc AB = Arc BC ...

    Text Solution

    |

  20. ABCD is a parallelogram in which angle DAB = 80^(@). Bisector of angle...

    Text Solution

    |

  21. Given three points P(-1, 2), A(2, k) and B(k, -1). Given that PA = PB....

    Text Solution

    |