CBSE  /  Class 11  /  Maths  /  Relations and Functions

  • 1. 
    The value of cos 5π is

  • 0
  • 0
  • -1
  • None of these

  • 2. 
    In a triangle ABC, cosec A (sin B cos C + cos B sin C) equals

  • none of these
  • c/a
  • 1
  • a/c

  • 3. 
    The value of (sin 7x + sin 5x) /(cos 7x + cos 5x) + (sin 9x + sin 3x) / (cos 9x + cos 3x) is

  • tan 6x
  • 2 tan 6x
  • 3 tan 6x
  • 4 tan 6x
Report Question
warning
Practice More On Relations and Functions
Quiz 1 Quiz 2 Quiz 3
access_time
  Time