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R. Lasyapriya
Subject: Maths
, asked on 17/5/18
Please answer the following query and please do not send any links.
Q.46. Show that
3
sin
θ
-
cos
θ
4
+
6
sin
θ
+
cos
θ
2
+
4
sin
6
θ
+
cos
6
θ
is independent
θ
.
Answer
1
A.akash
Subject: Maths
, asked on 17/5/18
Hi. In RD Sharma book(Pg:11.8) example.4, Can we solve the sum by squaring both sides and get the question rid of square root. Will it is correct?? If we square on both sides, is the eqn is correct???
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 16/5/18
Please do not send any links.
P
r
o
v
e
:
cos
A
1
-
sin
A
+
sin
A
1
-
cos
A
+
1
=
sin
A
·
cos
A
(
1
-
sin
A
)
(
1
-
cos
A
)
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 15/5/18
Solve this :
Please solve. Do not send any links. Please answer the question.
40
.
1
cot
2
θ
+
1
1
+
tan
2
θ
=
1
1
-
sin
2
θ
-
1
cosec
2
Answer
1
Suryansh
Subject: Maths
, asked on 15/5/18
I'm not able to prove it and have my exam tomorrow. Quick help is highly appreciated:
Q
.
1
sec
A
+
tan
A
-
1
cos
A
=
1
cos
A
-
1
sec
A
-
tan
A
Answer
1
Suryansh
Subject: Maths
, asked on 15/5/18
Can anyone please solve it?
Example 15 class 10 maths ncert
Example 15: Prove that
sin
θ
-
cos
θ
+
1
sin
θ
+
cos
θ
-
1
=
1
s
e
c
θ
-
tan
θ
, using the identity
s
e
c
2
θ
=
1
+
tan
2
θ
.
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 15/5/18
Please answer this query as fast as possible and please dont answer in links solve the answer.
Answer
3
R. Lasyapriya
Subject: Maths
, asked on 15/5/18
Solve this :
Please solve my queries. Do not send any links.
Q
.
Prove
that
sec
2
θ
-
sin
2
θ
-
2
sin
4
θ
2
cos
4
θ
-
cos
2
θ
=
1
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 15/5/18
Please do not send any links and solve this query . Please answer this query as fast as possible.
W
i
t
h
o
u
t
u
sin
g
t
r
i
g
o
n
o
m
e
t
r
i
c
a
l
t
a
b
l
e
e
v
a
l
u
a
t
e
t
h
e
f
o
l
l
o
w
i
n
g
cos
58
°
sin
32
°
+
sin
22
°
cos
68
°
-
cos
38
°
cos
e
c
52
°
tan
18
°
tan
35
°
tan
60
°
-
tan
72
°
tan
55
°
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 14/5/18
Please answer this question.
Please do not send any links.
W
i
t
h
o
u
t
u
sin
g
t
r
i
g
o
n
o
m
e
t
r
i
c
t
a
b
l
e
s
,
e
v
a
l
u
a
t
e
2
cos
58
°
sin
32
°
-
3
cos
38
°
cos
e
c
52
°
tan
15
°
tan
60
°
tan
75
°
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 14/5/18
Q.31. Without using trigonometric tables, evaluate the following:
s
e
c
39
°
cos
e
c
51
°
+
2
3
tan
17
°
tan
38
°
tan
60
°
tan
52
°
tan
73
°
-
3
sin
2
31
°
+
sin
2
59
°
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 14/5/18
Please answer question 29 .Please don't send any links please.
29
.
E
v
a
l
u
t
e
w
i
t
h
o
u
t
u
sin
g
t
r
i
g
o
n
o
m
e
t
r
i
c
t
a
b
l
e
s
:
sin
2
θ
+
sin
2
(
90
-
θ
)
3
(
s
e
c
2
61
°
-
c
o
t
2
29
°
)
-
3
c
o
t
2
30
°
sin
2
54
°
s
e
c
2
36
°
2
(
cos
e
c
2
65
°
-
tan
2
25
°
)
[Foreign 2006]
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 13/5/18
Question 151.
Answer
2
Biren Samal
Subject: Maths
, asked on 12/5/18
All the trigonometry identities
Answer
3
R. Lasyapriya
Subject: Maths
, asked on 10/5/18
151 and 154 Questions .
Answer
5
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Q.46. Show that is independent .
Example 15: Prove that , using the identity .
Please do not send any links.
[Foreign 2006]