CBSE  /  Class 12  /  Maths  /  Inverse Trigonometric Functions

  • 1. 
    sin(sin\(\frac{2π}{3}\)) =

  • \(\frac{2π}{3}\)
  • \(\frac{π}{6}\)
  • \(\frac{4π}{3}\)
  • \(\frac{π}{3}\)

  • 2. 
    sin(1 – x) – 2 sinx = \(\frac{π}{2}\) then x = ?

  • 0, \(\frac{1}{2}\)
  • 1, \(\frac{1}{2}\)
  • \(\frac{1}{2}\)
  • 0

  • 3. 
    tan√3 – sec(-2)

  • π
  • –\(\frac{π}{3}\), 0
  • \(\frac{π}{3}\)
  • \(\frac{2π}{3}\)

  • 4. 
    sin(secx + cosecx) =

  • 1
  • -1
  • \(\frac{π}{2}\)
  • \(\frac{π}{3}\)

  • 5. 
    The principle value of sin\(\frac{√3}{2}\) is

  • \(\frac{2π}{3}\)
  • \(\frac{π}{6}\)
  • \(\frac{π}{4}\)
  • \(\frac{π}{3}\)

  • 6. 
    Simplified form of cos(4x– 3x)

  • 3 sinx
  • 3 cosx
  • π – 3 sinx
  • None of these

  • 7. 
    The value of tan(tan\(\frac{4}{5}\) + tan\(\frac{2}{3}\)) is

  • \(\frac{6}{17}\)
  • \(\frac{7}{16}\)
  • \(\frac{17}{6}\)
  • None of these

  • 8. 
    The value of x for which sin |cot

  • \(\frac{2}{1}\)
  • 1
  • 0
  • \(\frac{1}{2}\)

  • 9. 
    Princal value of cos(\(\frac{-1}{√2}\))

  • \(\frac{3π}{4}\)
  • \(\frac{5π}{4}\)
  • –\(\frac{π}{4}\)
  • None of these

  • 10. 
    tan √3 – sec(-2) is equal to

  • π
  • –\(\frac{π}{3}\)
  • \(\frac{π}{3}\)
  • \(\frac{2π}{3}\)
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