EduSahara™ Assignment
Name : Basics of Trigonometric Ratios
Chapter : Introduction to Trigonometry
Grade : CBSE Grade X
License : Non Commercial Use
Question
1
1.
In the given figure,
sin
D
=
(i)
GF
GE
(ii)
DE
FE
(iii)
EF
DF
(iv)
EF
ED
(v)
FE
DE
Question
2
2.
In the given figure,
cos
M
=
(i)
OM
ON
(ii)
OM
NM
(iii)
MO
MN
(iv)
MN
MO
(v)
ON
PN
Question
3
3.
In the given figure,
tan
M
=
(i)
MN
OM
(ii)
ON
MO
(iii)
NO
OM
(iv)
PO
ON
(v)
NO
MN
Question
4
4.
In the given figure,
cot
N
=
(i)
PO
QP
(ii)
PN
NO
(iii)
PN
OP
(iv)
NO
OP
(v)
NP
PO
Question
5
5.
In the given figure,
sec
P
=
(i)
NO
NP
(ii)
ON
OP
(iii)
NP
OP
(iv)
QO
QP
(v)
PO
PN
Question
6
6.
In the given figure,
cosec
N
=
(i)
NO
PO
(ii)
QO
QP
(iii)
ON
OP
(iv)
PO
NO
(v)
NP
OP
Question
7
7.
In the given figure,
sin
C
=
(i)
10
17
(ii)
8
17
(iii)
8
19
(iv)
8
15
(v)
6
17
Question
8
8.
In the given figure,
cos
N
=
(i)
35
39
(ii)
33
37
(iii)
1
(iv)
35
37
Question
9
9.
In the given figure,
tan
E
=
(i)
5
14
(ii)
5
12
(iii)
1
4
(iv)
1
2
(v)
7
12
Question
10
10.
In the given figure,
cot
A
=
(i)
2
(ii)
12
7
(iii)
14
5
(iv)
4
(v)
12
5
Question
11
11.
In the given figure,
sec
F
=
(i)
5
4
(ii)
13
12
(iii)
13
14
(iv)
11
12
(v)
13
10
Question
12
12.
In the given figure,
cosec
H
=
(i)
5
4
(ii)
13
12
(iii)
13
10
(iv)
13
14
(v)
11
12
Question
13
13.
sin
F
=
(i)
1
tan
F
(ii)
1
sec
F
(iii)
1
cos
F
(iv)
1
cosec
F
(v)
1
cot
F
Question
14
14.
cos
D
=
(i)
1
tan
D
(ii)
1
sec
D
(iii)
1
cosec
D
(iv)
1
cot
D
(v)
1
sin
D
Question
15
15.
tan
J
=
(i)
1
cos
J
(ii)
1
cot
J
(iii)
1
sin
J
(iv)
1
cosec
J
(v)
1
sec
J
Question
16
16.
cot
D
=
(i)
1
sin
D
(ii)
1
tan
D
(iii)
1
cosec
D
(iv)
1
cos
D
(v)
1
sec
D
Question
17
17.
sec
I
=
(i)
1
tan
I
(ii)
1
sin
I
(iii)
1
cosec
I
(iv)
1
cos
I
(v)
1
cot
I
Question
18
18.
cosec
D
=
(i)
1
tan
D
(ii)
1
sin
D
(iii)
1
cos
D
(iv)
1
cot
D
(v)
1
sec
D
Question
19
19.
In
△DEF
, right angled at
E
,
if
DE = 8 cm
and
EF = 6 cm
,
find
sin
D
(i)
3
7
(ii)
1
(iii)
3
5
(iv)
1
5
Question
20
20.
In
△NOP
, right angled at
O
,
if
NO = 35 cm
and
OP = 12 cm
,
find
cos
N
(i)
33
37
(ii)
1
(iii)
35
37
(iv)
35
39
Question
21
21.
In
△HIJ
, right angled at
I
,
if
HI = 8 cm
and
IJ = 6 cm
,
find
tan
H
(i)
5
4
(ii)
1
4
(iii)
1
2
(iv)
3
2
(v)
3
4
Question
22
22.
In
△OPQ
, right angled at
P
,
if
OP = 35 cm
and
PQ = 12 cm
,
find
cot
Q
(i)
2
5
(ii)
12
35
(iii)
12
37
(iv)
2
7
(v)
4
11
Question
23
23.
In
△KLM
, right angled at
L
,
if
KL = 8 cm
and
LM = 6 cm
,
find
sec
K
(i)
5
6
(ii)
3
4
(iii)
7
4
(iv)
5
4
(v)
5
2
Question
24
24.
In
△PQR
, right angled at
Q
,
if
PQ = 24 cm
and
QR = 10 cm
,
find
cosec
R
(i)
13
10
(ii)
13
12
(iii)
11
12
(iv)
13
14
(v)
5
4
Question
25
25.
From the given figure,
find
sin
(
90
−
F
)
(i)
FH
GH
(ii)
FG
FH
(iii)
GH
FH
(iv)
GH
FG
(v)
FG
GH
Question
26
26.
From the given figure,
find
cos
(
90
−
C
)
(i)
DE
CD
(ii)
CD
DE
(iii)
CD
CE
(iv)
DE
CE
(v)
CE
CD
Question
27
27.
From the given figure,
find
tan
(
90
−
F
)
(i)
FG
GH
(ii)
FG
FH
(iii)
FH
FG
(iv)
FH
GH
(v)
GH
FH
Question
28
28.
From the given figure,
find
cosec
(
90
−
C
)
(i)
CD
DE
(ii)
CE
CD
(iii)
CE
DE
(iv)
DE
CD
(v)
DE
CE
Question
29
29.
From the given figure,
find
sec
(
90
−
I
)
(i)
JK
IJ
(ii)
IJ
IK
(iii)
IJ
JK
(iv)
IK
JK
(v)
IK
IJ
Question
30
30.
From the given figure,
find
cot
(
90
−
F
)
(i)
DE
EF
(ii)
DF
DE
(iii)
DF
EF
(iv)
EF
DF
(v)
DE
DF
Assignment Key
1) (iii)
2) (iv)
3) (v)
4) (iv)
5) (iii)
6) (v)
7) (ii)
8) (iv)
9) (ii)
10) (v)
11) (ii)
12) (ii)
13) (iv)
14) (ii)
15) (ii)
16) (ii)
17) (iv)
18) (ii)
19) (iii)
20) (iii)
21) (v)
22) (ii)
23) (iv)
24) (ii)
25) (ii)
26) (iv)
27) (i)
28) (ii)
29) (iv)
30) (i)
