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Inverse Trigonometric Functions

JEE Main 2026 (Online) 6th April Evening ShiftMCQEasy📈 Topic in 24% papers+4−1
Ques. 1JEE Main 2026, 6 April (Evening Shift)

If ( -1 (x 2 ) )= ( -1 1-x2 ), x (0, 1), then the value of x is :

  1. 12
  2. 13
  3. 23
  4. 58

Answer

(1) 12

Solution

Let -1 (x 2 )= , (0, 2 ) =x 2

= x 2 1+2x2

Let -1 1-x2= , (0, 2 ) = 1-x2, =x

= x 1-x2

x 2 1+2x2= x 1-x2

2 (1-x2 )=1+2x2 ( x 0)

x2= 14 x= 12 ( x (0, 1))

Answer: (1)

Keep practising — Inverse Trigonometric Functions

Ques. 2JEE Main 2026, 5 April (Morning Shift)

If 4+ p=111 -1 ( 2p-11+22p-1 )= , then is equal to .

Ques. 3JEE Main 2026, 4 April (Morning Shift)

Let [ ] denote the greatest integer function. If the domain of the function f(x)= -1 ( 4x+2[x]3 ) is [ , ], then 12( + ) is equal to :

  1. 6
  2. 8
  3. 9
  4. 4
Ques. 4JEE Main 2026, 28 January (Morning Shift)

If k = ( 4 + 12 -1 ( 23 ) ) + ( 12 -1 ( 23 ) ), then the number of solutions of the equation -1(kx - 1) = -1x - -1x is .

Ques. 5JEE Main 2026, 28 January (Evening Shift)

Considering the principal values of inverse trigonometric functions, the value of the expression (2 -1 ( 2 13 ) - 2 -1 ( 3 10 ) ) is equal to :

  1. 3356
  2. - 3356
  3. - 1663
  4. 1663
Ques. 6JEE Main 2026, 24 January (Evening Shift)

If the domain of the function f(x) = -1 ( 1x2 - 2x - 2 ) is (- , ] [ , ] [ , ), then + + + is equal to

  1. 4
  2. 2
  3. 5
  4. 3
Ques. 7JEE Main 2026, 22 January (Morning Shift)

The number of solutions of -1 4x + -1 6x = 6, where - 12 6 < x < 12 6, is equal to :

  1. 2
  2. 0
  3. 3
  4. 1
Ques. 8JEE Main 2026, 21 January (Morning Shift)

If the domain of the function f(x) = -1 ( 2x - 511 - 3x ) + -1(2x2 - 3x + 1) is the interval [ , ], then + 2 is equal to :

  1. 5
  2. 2
  3. 3
  4. 1
Ques. 9JEE Main 2026, 21 January (Evening Shift)

Let the maximum value of ( -1x )2 + ( -1x )2 for x [- 32, 1 2 ] be mn 2, where (m, n) = 1. Then m + n is equal to .

Ques. 10JEE Main 2025, 8 April (Evening Shift)

The value of -1 ( 1+ 2(2)-1 (2) ) - -1 ( 1+ 2 ( 12 )+1 ( 12 ) ) is equal to

  1. - 32
  2. + 52
  3. - 54
  4. + 32
Ques. 11JEE Main 2025, 4 April (Morning Shift)

Considering the principal values of the inverse trigonometric functions, -1 ( 32x + 12 1 - x2 ), - 12 < x < 1 2, is equal to

  1. -5 6 - -1x
  2. 5 6 - -1x
  3. 6 + -1x
  4. 4 + -1x

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