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R. Lasyapriya
Subject: Maths
, asked on 23/4/18
Prove it is true or false
If true please state the reason in brief .
Q.20. If A = 0; then sin 2A = 2 sin A. Is it true?
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 23/4/18
please dont send any link for this question and solve the following -
Ques.> if 7x= coseco and 7/x= coto find the value of [x2- 1/x2]
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 23/4/18
if 5x= seco and 5/x=tabo find the value of 5[ x
2
- 1/x
2
]
Answer
2
R. Lasyapriya
Subject: Maths
, asked on 22/4/18
Solve this sum.
Q. If
c
o
s
e
c
θ
=
2
x
a
n
d
c
o
t
θ
=
2
x
, find the value of
2
x
2
-
1
x
2
.
Answer
1
R. Lasyapriya
Subject: Maths
, asked on 22/4/18
Solve this sum
Q.
In the given figure, AD = 4 cm, BD = 3 cm & BC = 12 cm, find cot
θ
.
Answer
3
R. Lasyapriya
Subject: Maths
, asked on 21/4/18
Please choose the correct option and explain why that option is correct . Questions 52 and 53. Answer it as soon as possible.
Answer
3
Hmmmm
Subject: Maths
, asked on 16/4/18
If asintheta+ bcostheta =n
N ,acostheta+ bsintheta = m
Prove :- m?+n?= a?+b?
Answer
1
Aaradhya Verma
Subject: Maths
, asked on 16/4/18
why sin theta = p/h.
Answer
3
R. Lasyapriya
Subject: Maths
, asked on 12/4/18
Q6 Please my maths test tmrw please help me...
Answer
3
Pranav
Subject: Maths
, asked on 8/4/18
cos
2
(45+theta)+cos
2
(45-theta)
/
tan(60+theta)tan(30+theta)
Answer
1
Hmmmm
Subject: Maths
, asked on 3/4/18
Need answers ....QUICKLY
Answer
2
Raghav Singh
Subject: Maths
, asked on 30/3/18
Please explain the solution.
Answer
3
Champ Jee
Subject: Maths
, asked on 29/3/18
Q11. Logic says answer is 0 degree because theta= 90 degree. But how to show in paper or prove mathmeatically?
11
.
I
f
s
i
n
θ
1
+
sin
θ
2
+
sin
θ
3
=
3
,
0
<
θ
1
,
θ
2
,
θ
3
≤
90
°
.
F
i
n
d
t
h
e
v
a
l
u
e
o
f
cos
θ
1
+
cos
θ
2
+
cos
θ
3
.
Answer
1
Dakshesh Sharma
Subject: Maths
, asked on 28/3/18
Question 2 (a) part
Q2. (a) . From the figure (i) given below, find the values of :
(i) sin B (ii) cos C (iii) sin B + sin C (iv) sin B cos C + sin C cos B.
(b) From the figure (2) given below, find the values of:
(i) tan x (ii) cos y (iii) cosec
2
y – cot
2
y (iv)
5
sin
x
+
3
sin
y
-
3
c
o
t
y
.
Answer
2
Shweta Verma
Subject: Maths
, asked on 28/3/18
ABCD is rectagle . if AD is 14cm, AB is 30cm, BC is xy, DC is x+y then find the value of x and y.
Answer
1
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What are you looking for?
Q.20. If A = 0; then sin 2A = 2 sin A. Is it true?
Ques.> if 7x= coseco and 7/x= coto find the value of [x2- 1/x2]
Q. If , find the value of .
Q. In the given figure, AD = 4 cm, BD = 3 cm & BC = 12 cm, find cot .
N ,acostheta+ bsintheta = m
Prove :- m?+n?= a?+b?
Q2. (a) . From the figure (i) given below, find the values of :
(i) sin B (ii) cos C (iii) sin B + sin C (iv) sin B cos C + sin C cos B.
(b) From the figure (2) given below, find the values of:
(i) tan x (ii) cos y (iii) cosec2 y – cot2 y (iv) .