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Shweta Verma
Subject: Maths
, asked on 28/3/18
find the value of cos^267 - sin^223
Answer
3
Sahil Haque
Subject: Maths
, asked on 28/3/18
if tan A=3 evaluate 4sinA-cosA+1/sinA + cos A-1
Answer
1
Raghav Singh
Subject: Maths
, asked on 28/3/18
Please solve 3,5 with explanation.:
(iii)
tan
θ
1
-
c
o
t
θ
+
c
o
t
θ
1
-
tan
θ
=
1
+
s
e
c
θ
cos
e
c
θ
[Hint: Write the expression in terms of sing
θ
and cos
θ
]
(v)
cos
A
-
S
i
n
A
+
1
cos
A
+
S
i
n
A
-
1
=
cos
e
c
A
+
C
o
t
A
,
using the ident.
Answer
2
Raghav Singh
Subject: Maths
, asked on 28/3/18
Is this answer enough? The middle one is not proved , please prove it.
Answer
1
Sahil Haque
Subject: Maths
, asked on 28/3/18
If Tan 2A = cos (A-18) where 2A is an acute angle,find the value of A
Answer
3
Raghav Singh
Subject: Maths
, asked on 28/3/18
What type of rationalusation is it. Why sign has not changed?
Answer
1
Shaikh Ilahibaksh
Subject: Maths
, asked on 27/3/18
P
r
o
v
e
t
h
a
t
tan
2
θ
1
+
tan
2
θ
+
c
o
t
2
θ
1
+
c
o
t
2
θ
=
s
e
c
θ
cos
e
c
θ
-
2
sin
θ
cos
θ
Answer
1
Shaikh Ilahibaksh
Subject: Maths
, asked on 27/3/18
Solve This
I
f
cos
A
+
cos
2
A
=
1
P
r
o
v
e
t
h
a
t
sin
2
A
+
sin
4
A
=
1
Answer
2
Knight Rider🚲
Subject: Maths
, asked on 27/3/18
Please answer me question 15 and 16
Answer
5
Moin
Subject: Maths
, asked on 27/3/18
Solve this:- .... No links plz
Q). Prove that:
sin
θ
+
s
e
c
θ
2
+
cos
θ
+
cos
e
c
θ
2
=
1
+
s
e
c
θ
.
cos
e
c
θ
Answer
1
Rafidah Safrin
Subject: Maths
, asked on 27/3/18
2cos678 divided by sin238 multiplied into 2tan408 divided by cot508 multipled into 2cos81 multiplied tan158 multiplied tan258 multiplied tan608 multiplied tan658 multiplied tan758 i equal to?
Answer
1
L.vibha
Subject: Maths
, asked on 27/3/18
prove that:
1+ cos A
=
1
sin2 A 1 - cos A
plsss fast!!
Answer
2
Shravani Chikalthankar
Subject: Maths
, asked on 27/3/18
(1+sin theta -cos theta/ 1+sin theta + cos theta)^2 = 1-cos theta/ 1+ cos theta
Answer
1
Darrel Mikki
Subject: Maths
, asked on 27/3/18
Q. If sin
θ
+ cos
θ
=
2
, then evaluate : tan
θ
+ cot
θ
Answer
1
Ananye
Subject: Maths
, asked on 27/3/18
Please give me questions for trignometric identities except sin2theta plus cos2theta equals to one
Answer
2
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What are you looking for?
(iii)
[Hint: Write the expression in terms of sing and cos ]
(v) using the ident.
Q). Prove that:
1+ cos A = 1
sin2 A 1 - cos A
plsss fast!!