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Math 10 Chapter 8 - Part B
1.
In a right angled triangle ABC in which m|B = 90
o
the side opposite to < A = ____________
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2.
In a right angled triangle ABC in which m AC = 10cmm BC = 6cm then mAB = ___________
a) 8cm
b) 6cm
c) 10cm
d) 12cm
3.
Sin
2
q
= 1 � ( ___________)
a) Cos
2
q
b) Tan
2
q
c) Sec
2
q
d) Cosec
2
q
4.
tan
2
q
= Sec
2
q
� ( ________________ )
a) 3
b) 2
c) 4
d) 1
5.
Cosec
2
q
� ( _____________ ) = 1
a) Tan
2
q
b) Sec
2
q
c) Sin
2
q
d) Cot
2
q
6.
The angle made between the horizontal line AD and a line from the eye �A� to the object �C� (below D) is called the angle of elevation.
a) False
b) True
7.
If side of a square field is 60m long, the lengths of the diagonals of the field is equal to 60
Ö
2
a) True
b) False
8.
In a right angled triangle ABC in which m B = 90
o
, mA = 30
o
, m C = 60
o
,
a = 2 then b= 4
a) True
b) False
9.
In a right angled triangle POR in which m|R = 90
o
m|P = 60
o
, m|Q = 30
o
Ö
p = 3, r = 2 then q = 2
a) False
b) True
10.
If Sin45
o
= Cos45
o
=
Ö
1/ 2 then 5C
o
S45
o
� 3Sin 45
o
= 2
value="a" id="10aq" onClick="Touch(this,10,id,1,0)">
a) False
b) True
11.
(1+Sin
q
) (1-Sin
q
) = 1/Sec
2
q
a) True
b) False
12.
In right angled ABC, m |C = 90
o
and m|A = m|B, then a = ____________
a) b+ c
b) b
c) a+c
d) c
13.
CoSec (90
o
� Φ) = _____________
a) Sec Φ
b) Sin Φ
c) Cos Φ
d) Sec
q
14.
In right angled triangle ABC, if m|C = 90
o
then by Pythagoras theorem C
2
= _________
a) a
2
-b
2
b) a
2
c) a
2
+ b
2
d) b
2
15.
Sin
2
q
+ Cos
2
q
= ___________
a) Tan
2
q
b) 1
c) Cot
2
q
d) Sec
2
q
16.
1 + Tan
2
q
= _____________
a) Sin
2
q
b) Cot
2
q
c) Sec
2
q
d) CoSec
2
q
17.
The value of Cot 60
o
= ________
a)
Ö
3
b)
Ö
2/3
c)
Ö
3/2
d)
Ö
1/3
18.
(Sin x + Cos x)
2
=
a) 1+ Sin x Cos x
b) 1-2Sin x Cosc x
c) Sin
2
x + CoS
2
x
d) 1+2Sin x CoS x
19.
Sin
q
x Sec
q
/Tan
q
= ________________
a) Cosec
q
b) Cos
q
c) Cot
q
d) 1
20.
Cos
q
FONT FACE="Symbol">Ö1+ Cot
2
= _______________
a) Tan
q
b) Sec
q
c) Cot
q
d) Cosec
q
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