Home
Class 10
MATHS
(sin 18^@)/( cos 72 ^@) = ?...

` (sin 18^@)/( cos 72 ^@) = ? `

A

`1/2`

B

1

C

0

D

`(sqrt(3))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • MOST LIKELY QUESTION PAPER 9

    CPC CAMBRIDGE PUBLICATION|Exercise VI. Answer the following Questions :|1 Videos

  • MOST LIKELY QUESTION PAPER 8

    CPC CAMBRIDGE PUBLICATION|Exercise QUESTIONS|33 Videos

Similar Questions

Explore conceptually related problems

Evalute: (b) (sin18^(@))/(cos72^(@))

cos (sin x)

( cos A ) /( 1 + sin A ) + ( 1 + sin A ) /( cos A ) = 2 sec A

cos 48^@ - sin 42 ^@ = ?

Prove that (cos A)/(1-tan A) + (sin A)/(1-cot A) = cos + sin A .

((sin 7x + sin 5x ) +(sin 9x + sin 3x))/( (cos 7x + cos 5x ) + (cos 9x + cos 3x ))= tan 6x

Find x:sin 2x = sin 60^(@) cos 30^(@) - cos 60^(@) sin 30^(@) .

(sin 70^(@) + cos 40^(@))/(cos 70^(@) + sin 40^(@)) =

Show that : cos 38 ^@ cos 52 ^@ - sin 38^@ sin 52 ^@ = 0

sin 60 ^@ cos 30 ^@ + sin 30^ @ cos 60^@ = ?

CPC CAMBRIDGE PUBLICATION-MOST LIKELY QUESTION PAPER 10 -QUESTIONS
  1. The pair of linear equations 3a+4b=k, 9a+12b=6 have infinitely many so...

    Text Solution

    |

  2. The HCF and LCM of 12, 15 and 21 are and respectively

    Text Solution

    |

  3. (sin 18^@)/( cos 72 ^@) = ?

    Text Solution

    |

  4. The distance between the points P(2, 3) and Q(4, 1) is

    Text Solution

    |

  5. In the given figure DeltaABC, DE"||"BC. If DE=5cm, BC=8cm and AD=3.5cm...

    Text Solution

    |

  6. The 10th term of an A.P : 2, 7, 12, ......

    Text Solution

    |

  7. A box consits of 4 rec. 5 black and 6 white balls. One ball is drawn o...

    Text Solution

    |

  8. In the given fig, the angle of elevation theta is

    Text Solution

    |

  9. 7xx11xx13+13 is a composite number. Why ?

    Text Solution

    |

  10. If one of the roots of the quadratic equation 6x^(2)-x-2=0 is 2/3. Fin...

    Text Solution

    |

  11. Find the value of cos90^(@)+tan45^(@)

    Text Solution

    |

  12. If P(2, P) is the mid point of the line segment joining the points A(6...

    Text Solution

    |

  13. If the probability of winning a game is (5)/(11), what is the probabil...

    Text Solution

    |

  14. If tangents PA and PB from a point P to a circle with centre O are inc...

    Text Solution

    |

  15. Write the formula to find the volume of the sphere.

    Text Solution

    |

  16. What is the Area of the shaded region ?

    Text Solution

    |

  17. P.T 5-sqrt(3) is irrational.

    Text Solution

    |

  18. In the figure DE"||"AC and DF"||"AE. Prove that (BF)/(FE)=(BE)/(EC) . ...

    Text Solution

    |

  19. On comparing the rations (a(1))/(a(2)), (b(1))/(b(2)) and (c(1))/(c(2)...

    Text Solution

    |

  20. Draw a circle of radius 4cm and construct a pair of tangents to the ci...

    Text Solution

    |