Questions by HelloWorld

0 votes

1 answer 343 views

Find the values of x, y and z from the following equations:

asked Oct 22, 2022 in Chapter 3 Matrices

0 votes

1 answer 295 views

Find the values of a, b, c and d from the equation \(\left[\begin{array}{cc} a-b & 3 a+c \end{array}\right]\)

asked Oct 22, 2022 in Chapter 3 Matrices

0 votes

1 answer 321 views

A = [aij]mxn is a square matrix, if (A) m < n (B) m > n (C) m-n (D) None of these.

asked Oct 22, 2022 in Chapter 3 Matrices

0 votes

1 answer 712 views

The number of all possible matrices of order 3 x 3 with each entry 0 or 1 is (A) 27 (B) 18 (C) 81 (D) 512

asked Oct 22, 2022 in Chapter 3 Matrices

0 votes

1 answer 259 views

cos-1(cos\(\frac { 13π }{ 6 }\))

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 297 views

tan-1(tan\(\frac { 7π }{ 6 }\))

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 298 views

tan-1\(\sqrt{x}\) = \(\frac { 1 }{ 2 }\)cos-1\(\frac { 1-x }{ 1+x }\), x ∈ [0, 1]

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 296 views

2tan-1(cos x) = tan-1(cosec x)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 312 views

sin tan-1x, |x| < 1 is equal to (A) \(\frac{x}{\sqrt{1-x^{2}}}\) (B) \(\frac{1}{\sqrt{1-x^{2}}}\)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 314 views

If sin-1(1-x)-2 sin-1x = \(\frac { π }{ 2 }\), then x is equal to (A) 0, \(\frac { 1 }{ 2 }\)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 301 views

3sin-1x = sin-1(3x – 4x³), x ∈ [- \(\frac { 1 }{ 2 }\), \(\frac { 1 }{ 2 }\) ]

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 319 views

3cos-1x = cos-1(4x³ – 3x), x ∈ [\(\frac { 1 }{ 2 }\), 1]

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 348 views

If sin(sin-1\(\frac { 1 }{ 5 }\) + cos-1x) = 1, then find the value of x.

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 328 views

If tan-1\(\frac { x-1 }{ x+2 }\) + tan-1\(\frac { x+1 }{ x+2 }\) = \(\frac { π }{ 4 }\), then find the value of x.

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 333 views

If sin-1(sin\(\frac { 2π }{ 3}\))

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 288 views

tan-1(tan\(\frac { 3π }{ 4 }\))

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 298 views

cos-1(cos \(\frac { 7π }{ 6 }\)) is equal to (A) \(\frac { 7π }{ 6 }\) (B) \(\frac { 5π }{ 6 }\)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 324 views

sin[ \(\frac { π }{ 3 }\)-sin-1(-\(\frac { 1 }{ 2 }\)) ] is equal to (A) \(\frac { 1 }{ 2 }\)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 308 views

sin-1(-\(\frac { 1 }{ 2 }\))

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

0 votes

1 answer 296 views

cos-1\(\left(-\frac{\sqrt{3}}{2}\right)\)

asked Oct 22, 2022 in Chapter 2 Inverse Trigonometric Functions

Page:

« prev
1
2
3
4
5
...
17
next »

Recent Badges

...