Home
Class 12
MATHS
State which of the following relation is...

State which of the following relation is true?

A

`costheta=7/5`

B

`sin theta=(a^2+b^2)/(a^2-b^2)(anepmb)`

C

`tan theta=45`

D

`sec theta =4/5`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRIC RATIOS [OR FUNCTIONS] OF POSITIVE ACUTE ANGLES

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams|1 Videos

  • TRIGONOMETRIC RATIOS [OR FUNCTIONS] OF POSITIVE ACUTE ANGLES

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (Multiple Answers Type)|4 Videos

  • TRIGONOMETRIC RATIOS [OR FUNCTIONS] OF POSITIVE ACUTE ANGLES

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Exams (Assertion -Reason Type )|2 Videos

  • TRIGONOMETRIC RATIOS OF MULTIPLE ANGLES

    CHHAYA PUBLICATION|Exercise Comprehension Type|6 Videos

  • VECTOR

    CHHAYA PUBLICATION|Exercise SAMPLE QUESTIONS FOR COMPETITIVE EXAMINATION|18 Videos

Similar Questions

Explore conceptually related problems

Let's find out which one of the following relation is true:

State which of the following statement is true ?

State which of the following statement is true ?

State which of the following statement is true ?

CHHAYA PUBLICATION-TRIGONOMETRIC RATIOS [OR FUNCTIONS] OF POSITIVE ACUTE ANGLES-EXERCISE 2
  1. If tan theta=a/b ,then which of the following is the value of (asin th...

    Text Solution

    |

  2. If 0^@le A le90^@ and sin A =cosA , state which of the following is t...

    Text Solution

    |

  3. State which of the following relation is true?

    Text Solution

    |

  4. Prove the following identities: sin A cos A (tanA+cotA)=1

    Text Solution

    |

  5. Prove the following identities: sinalpha cosalpha(tanalpha-cotalpha...

    Text Solution

    |

  6. Prove the following identities: sqrt((1+sintheta)/(1-sin theta))=sec...

    Text Solution

    |

  7. Prove the following identities: sqrt((cosectheta-1)/(cosec+1))=(1-si...

    Text Solution

    |

  8. Prove the following identities: (cosphi)/(1+sinphi)+(1+sinphi)/(cos ...

    Text Solution

    |

  9. Prove the following identities: (cosec theta-sintheta)^2+(sectheta-c...

    Text Solution

    |

  10. Prove the following identities: (cottheta+cosectheta)^2=(1+costheta)...

    Text Solution

    |

  11. Prove the following identities: (1+sintheta)/(1-sintheta)=(sectheta+...

    Text Solution

    |

  12. Prove the following identities: (sinalpha+cosecalpha)^2+(cosalpha+se...

    Text Solution

    |

  13. Prove the following identities: (1+secA+tanA)(1-cosecA+cotA)=2

    Text Solution

    |

  14. prove: ((sin0^@+sin60^@)(cos60^@+cot45^@))/((cot60^@+tan30^@)(cosec30^...

    Text Solution

    |

  15. prove: cos^2 ""60^@,cos^2 ""45^@,cos^2 ""30^@ are in A.P

    Text Solution

    |

  16. prove: tan(pi/3),tan(pi/4),tan(pi/6) are in G.P

    Text Solution

    |

  17. prove: 2cos^2(pi/3)+3/4sec^2(pi/4)+4sin^2(pi/6)=cot^2(pi/6)

    Text Solution

    |

  18. The angle A of the triangle ABC is obtuse, if sec(B+C)=cosec (B-C)=2,...

    Text Solution

    |

  19. If theta is a positive acute angle and tan theta=3/4, find sin theta...

    Text Solution

    |

  20. If theta is a positive acute angle and sec theta =(m^2+1)/(2m) find ...

    Text Solution

    |