- If tan A= 1/3 and tan B= 1/7,
then what is the value of 2A+B?
(a) 30 (b) 45 (c) 60 (d) 135 - What is the value of tan 10-
tan 7- tan 3?
(a) 0 (b) tan 20 (c) tan 10 tan
7 tan 3 (d) 1 - If Ѳ+ø= π/6, what is the value
of (√ ) (√ )?
(a) 1 (b) - 1 (c) 4 (d) - 4
- The difference of two angles is
1 ; the circular measure of their
sum is 1. What is the smaller angle
in circular measure?
(a) 0 1 (b) 0 1 (c)
0
1 (d)
0
1
- If =^ , then what is
the value of A+2B?
(a) π/2 (b) π/3 (c) π/4 (d) π/
- Given that cos 20- sin 20=p,
what is the value of sin 40?
(a) 1- (b) 1+ (c) (d) - A is a certain positive acute
angle which satisfies the following
equation:
Number of degrees in A + Number
of radians in A= (180+π)/3 what
is the angle A?
(a) 20 (b) 40 (c) 60 (d) 80
76. If + =0, then what
is the value of?
(a) – π/4 (b) 0 (c) π/4 (d) π/
77. If sin 2A=^ , then what is the
value of tan A. /?
(a) 1 (b) - 1 (c) ½ (d) 2
78. What is the value of
^?^
(a) tan 35 (b) tan 10 (c) √^ (d)
1
79. If α and β are such that tan α=
2 tan β, then what is sin (α+β)
equal to?
(a) 1 (b) 2 sin (α-β) (c) sin (α-β)
(d) 3 sin (α-β)
80. Let ABCD be a square and let P
be a point on AB such that AP:PB=
!:2. If APD= Ѳ, then what is the
value of cos Ѳ?
(a) √^ (b) √^ (c) √ (d) √^
81. If x= α sec Ѳ cos ø, y= b sec Ѳ
sin ø, z=c tan Ѳ, then what is
equal to?^
(a) 1 (b) 0 (c) - 1 (d)- If α=^ , what is the value of cos
α cos 2α cos 4α?
(a) 0 (b)^ (c) 8 (d) 4 - If A, B and C are angles of a
triangle such that tanA= 1, tan
B=2, then what is the value of