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Aishwarya
Subject: Maths
, asked on 10/5/18
Q.10. If
sin
2
cos
-
1
1
5
+
cos
2
tan
-
1
1
3
=
p
q
, where p and q are relatively prime then digit at units place of
p
-
q
2
k
+
1
,
k
∈
N
, can be-
(A) 1
(B) 3
(C) 7
(D) 9
Answer
1
Palak Srivastava
Subject: Maths
, asked on 9/5/18
Find the value equal to cos(cos^-1 cos(8pi/7) + tan^-1 tan (8pi/7))
Answer
1
Palak Srivastava
Subject: Maths
, asked on 9/5/18
Solve this :
Q
.
T
h
e
v
a
l
u
e
o
f
s
e
c
sin
-
1
-
sin
50
π
9
+
cos
-
1
cos
-
31
π
9
i
s
e
q
u
a
l
t
o
-
Answer
1
Sudhanshu Singh
Subject: Maths
, asked on 8/5/18
Solvr this:
15. ( EXEMPLAR) Find the value of
tan
-
1
tan
5
π
6
+
cos
-
1
13
π
6
.
Answer
2
Sudhanshu Singh
Subject: Maths
, asked on 8/5/18
Solve this and plzz don't give any link.
Q.14. Let a, b, c be positive real numbers. Let
θ
=
tan
-
1
a
(
a
+
b
+
c
)
b
c
+
tan
-
1
b
(
a
+
b
+
c
)
c
a
+
tan
-
1
c
(
a
+
b
+
c
)
a
b
. Then
tan
θ
=
_
_
_
_
_
_
_
_
_
_
Answer
1
Garvit Yadav
Subject: Maths
, asked on 6/5/18
how to solve sin inverse 1+cos inverse 1=pie /2
Answer
1
Palak Srivastava
Subject: Maths
, asked on 6/5/18
Solve this:
If the sum of n terms of the series
S
n
=
cos
e
c
-
1
10
+
cos
e
c
-
1
50
+
cos
e
c
-
1
170
+
.
.
.
.
.
.
.
.
.
+
cos
e
c
-
1
n
2
+
1
n
2
+
2
n
+
2
.
T
h
e
v
a
l
u
e
o
f
lim
x
→
∞
s
n
i
s
.
.
.
.
.
.
i
s
G
.
I
.
F
Answer
0
Palak Srivastava
Subject: Maths
, asked on 6/5/18
Solve this:
Q. The range of the function f (x) =
c
o
t
-
1
3
x
2
1
+
x
2
is (a, b], then the value of
b
a
is
Answer
0
Palak Srivastava
Subject: Maths
, asked on 5/5/18
If
θ
=
tan
-
1
2
tan
2
θ
-
1
2
sin
-
1
3
sin
2
θ
5
+
4
cos
2
θ
then find the sum of all the possible values of tan θ.
Answer
1
Bhavishya Raj
Subject: Maths
, asked on 4/5/18
Please solve it!
Q.8.
tan
-
1
cos
x
-
sin
x
cos
x
+
sin
x
,
0
<
x
<
π
Answer
1
Bhavishya Raj
Subject: Maths
, asked on 3/5/18
What is value of cosec 90
Answer
1
Samiksha Jain
Subject: Maths
, asked on 3/5/18
1/cos0cos1 +1/cos1cos2 +......+1/cos88cos89 is equal to
1. sin1/cos
2
1 2.cos1/sin
2
1 3.sin
2
1/cos
2
1 34.cos
2
1/sin1
Answer
1
Vivek Kumar
Subject: Maths
, asked on 2/5/18
Plzz explain the domain and range of inverse funtion of cot, sec and cosec with appropriate graphs
Answer
1
Bhavya Jain
Subject: Maths
, asked on 1/5/18
Is there an easy mwt od to find solution to the following Relation and function question?
Answer
2
Sanjukta Biswas
Subject: Maths
, asked on 30/4/18
Q. Prove the following
(iii)
tan
-
1
2
3
=
1
2
tan
-
1
12
5
Answer
1
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What are you looking for?
(A) 1
(B) 3
(C) 7
(D) 9
15. ( EXEMPLAR) Find the value of
Q.14. Let a, b, c be positive real numbers. Let . Then
If the sum of n terms of the series
Q. The range of the function f (x) = is (a, b], then the value of is
Q.8.
1. sin1/cos21 2.cos1/sin21 3.sin21/cos21 34.cos21/sin1
(iii)