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R. Lasyapriya
Subject: Maths
, asked on 24/5/18
I am reposting my query please do answer aa fast as possible.
Q.17. Compare the areas of the right angled triangles ABC and DEF in which
∠
A = 30
°
,
∠
B = 90
°
, AC = 4 cm,
∠
D = 60
°
,
∠
E = 90
°
and DE = 4 cm.
Answer
1
Fatima Nadeem
Subject: Maths
, asked on 22/5/18
Q4. The area of the triangle formed by the line
x
p
+
y
p
=
1
with the coordinate axes is
(a)
1
2
pq
(b)
1
4
pq
(c) 2 pq
(d) pq
Answer
2
Atharva
Subject: Maths
, asked on 22/5/18
Q.15.
cos
2
θ
1
-
tan
θ
+
sin
3
θ
sin
θ
-
cos
θ
=
1
+
sin
θ
.
cos
θ
Answer
1
Atharva
Subject: Maths
, asked on 22/5/18
(cosecA-sinA) (secA-cosA)=1/sin^2A-sin^4A
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 21/5/18
Please prove the following and please do not send any links please.
Q7. If x = a cos
2
θ
, y = b sin
3
θ
, prove that
x
a
2
3
+
y
b
2
3
=1
.
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 21/5/18
Please prove this and do not send any links please.
Thnx for your help.
5
.
I
f
a
cos
θ
-
b
sin
θ
=
c
,
p
r
o
v
e
t
h
a
t
a
sin
θ
+
b
cos
θ
=
±
a
2
+
b
2
+
c
2
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 20/5/18
1. If
1
+
sin
2
θ
=
3
sin
θ
.
cos
θ
, then prove that
tan
θ
=
1
o
r
1
2
.
Answer
1
Jagrati
Subject: Maths
, asked on 19/5/18
Question 20
Answer
1
Jagrati
Subject: Maths
, asked on 19/5/18
Question 61
Q61. If cos A – sin A = m and cos A + sin A = n, show that
m
2
-
n
2
m
2
+
n
2
=
-
2
sin
A
cos
A
=
2
tan
A
+
cot
A
.
Answer
1
Jagrati
Subject: Maths
, asked on 19/5/18
If 5cos theta+7 sin theta=7,prove that5 sin theta-7 cos theta=+-5
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 19/5/18
Justify whether True or false. Solve and please do not send any links for the query . Thnx for your help.
Q.
cos
θ
=
a
2
+
b
2
2
a
b
where a and b are two distinct numbers such that ab > 0.
Answer
1
Sahil
Subject: Maths
, asked on 19/5/18
If sin theetha +cos theetha =2
Cosec theetha + sec theetha =???
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 19/5/18
Solve the 3 Question and please prove it true or false.
Q.3.
1
-
cos
2
θ
s
e
c
2
θ
=
tan
θ
Answer
3
Sumaiyya Sultana
Subject: Maths
, asked on 18/5/18
if sin theta = cos[theta-6] find the value of theta
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 18/5/18
Write True or false and justify your answer with reasoning .
Please do not send any links bcoz the links are confusing.
Thnx for your help.
Answer
1
1
2
3
4
5
Next
What are you looking for?
Q.17. Compare the areas of the right angled triangles ABC and DEF in which A = 30, B = 90, AC = 4 cm, D = 60, E = 90 and DE = 4 cm.
(a) pq
(b) pq
(c) 2 pq
(d) pq
Q7. If x = a cos2 , y = b sin3, prove that =1.
Thnx for your help.
Q61. If cos A – sin A = m and cos A + sin A = n, show that
.
Q. where a and b are two distinct numbers such that ab > 0.
Cosec theetha + sec theetha =???
Q.3.
Please do not send any links bcoz the links are confusing.
Thnx for your help.