NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Palak Srivastava
Subject: Maths
, asked on 28/4/18
Prove that tan^-1 2x + tan^-1 3x = pi/4
Answer
1
Palak Srivastava
Subject: Maths
, asked on 28/4/18
Solve the equation sin^-1(x^2-2x+1) + cos^-1(x^2-x) = pi/2
Answer
1
Sudhanshu Singh
Subject: Maths
, asked on 26/4/18
Solve this
Q. Write the value of
$ta{n}^{-1}\left(\frac{a}{b}\right)-{\mathrm{tan}}^{-1}\left(a-\frac{b}{a+b}\right)$
.
Answer
1
Ananya Priyansi
Subject: Maths
, asked on 25/4/18
Find the domain of f(x) = cot x + cot
^{-1}
x
sin
^{-1}
(sin 3)
cos
^{-1}
(cos 4)
sin
^{-1}
(sin 12)
tan
^{-1}
(tan 2)
sec
^{-1}
(sec 2 pi/3)
Answer
1
Palak Srivastava
Subject: Maths
, asked on 25/4/18
If sin^-1 x and sin^-1 y = pi and x= ky then findthe value of 39^2k + 5^k
Answer
1
Mitali
Subject: Maths
, asked on 24/4/18
How is (cosa + i sina -1)/(cosa +i sina +1) = 2i tan a/2..??! Please explain....
Answer
1
Shri Ganesh
Subject: Maths
, asked on 19/4/18
the approximate value of (1.0002)
^{3000}
is
Answer
2
Samiksha Jain
Subject: Maths
, asked on 16/4/18
If in a triangle ABC , a tanA +btanB =(a+b) tan
(A+B)
then,
1. A=B=C 2. C=A 3.A=B 4.B=C 2
Answer
1
Shri Ganesh
Subject: Maths
, asked on 16/4/18
please help me solve this
Q. R be a relation = { (9, 8), (1, 9), (7, 6), (9, 6), (2, 7) } then
${R}^{-1}\circ R$
is
Answer
2
Sofiya Parihar
Subject: Maths
, asked on 14/4/18
Plzzz..slove...question.no..9
Q.9. Find the values of a and b if
$\frac{7+3\sqrt{5}}{3+\sqrt{5}}-\frac{{\displaystyle 7-3\sqrt{5}}}{{\displaystyle 3-\sqrt{5}}}=a+b\sqrt{5}$
Answer
2
Shivangi
Subject: Maths
, asked on 11/4/18
the fundamental period of sin4x+cos4x is ??
Answer
1
Shri Ganesh
Subject: Maths
, asked on 9/4/18
please help me solve this
Q.40. The system of equations 2x + y - 5 = 0, x - 2y + 1 = 0, 2x - 14y - a = 0, is consistent. Then, a is equal to
(a) 1
(b) 2
(c) 5
(d) None of these
Answer
1
Madhav Bansal
Subject: Maths
, asked on 2/4/18
336x^4-120x^2+9+0 what are its factors?
Answer
1
Drishti
Subject: Maths
, asked on 30/3/18
4. Find the value of sin (2 sin
^{–1}
(0.6)).
6. Solve 2 tan
^{–1}
(cos
x
) = tan
^{–1}
(2 cosec
x
).
Answer
1
Chaitanya
Subject: Maths
, asked on 29/3/18
Pls solve this...
Answer
1
Prev
1
2
3
4
5
Next
What are you looking for?

Q. Write the value of $ta{n}^{-1}\left(\frac{a}{b}\right)-{\mathrm{tan}}^{-1}\left(a-\frac{b}{a+b}\right)$.

^{-1}x^{-1}(sin 3)^{-1} (cos 4)^{-1} (sin 12)^{-1} (tan 2)^{-1} (sec 2 pi/3)^{3000}is(A+B)then,1. A=B=C 2. C=A 3.A=B 4.B=C 2

Q. R be a relation = { (9, 8), (1, 9), (7, 6), (9, 6), (2, 7) } then ${R}^{-1}\circ R$ is

Q.9. Find the values of a and b if

$\frac{7+3\sqrt{5}}{3+\sqrt{5}}-\frac{{\displaystyle 7-3\sqrt{5}}}{{\displaystyle 3-\sqrt{5}}}=a+b\sqrt{5}$

Q.40. The system of equations 2x + y - 5 = 0, x - 2y + 1 = 0, 2x - 14y - a = 0, is consistent. Then, a is equal to

(a) 1

(b) 2

(c) 5

(d) None of these

^{–1}(0.6)).6. Solve 2 tan

^{–1}(cosx) = tan^{–1}(2 cosecx).