- If A=^ , then what is the
value of^
(^)
?^
(a) - 1 (b) 1 (c)^ (d) 3
- If cot Ѳ=2 cos Ѳ, where
.^ /<Ѳ<π, then what is the value of
Ѳ?
(a)^ π (b)^ π (c)^ π (d)^ π
The value of 3 (^0).^ /
( ) 1 - 20.^ /
( ) 1 is equal to:
(a) 0 (b) 1 (c) 3 (d) sin 4α+sin 6α
The expression
is equal to:
(a) (b) ≤2 (c) ≥- 2 (d) none of
these
If cos Ѳ=^. /, then
.^
/^ is equal to:^
(a) sin 2Ѳ (b) cos 2Ѳ (c) tan 2Ѳ
(d) sec 2Ѳ
If sin A=^ and cos B= - ,
where A and B lie in the first and
third quadrant respectively, then
cos (A+B) is equal to:
(a)^ (b) - (c)^ (d) -
- If tan α= and tan β= ,
then α+β is equal to:
(a) π (b) π (c) π (d) none of these
- If x lies in 2nd quadrant, then
√ √
√^ √^ is equal to:^
(a) sin^ (b) tan^ (c) sec^ (d)
cosec - If A, B, C, D are the angles of a
cyclic quadrilateral, then cos A +
cos B + cos C + cos D is equal to:
(a) 2(cos A + cos C) (b) 2(cos A +
cos B) (c) 2(cos A + cos D) (d) 0 - If cos (α+β)=^ , sin (α-β)=
and α, β lies between 0 and^ , then
tan 2α is equal to:
(a)^ (b)^ (c)^ (d) none of
these - If x cos Ѳ= y cos. /= z
cos. /, then the value of
is equal to:^
(a) 1 (b) 2 (c) 0 (d) 3 cos Ѳ
- If cot Ѳ= and Ѳ lies in the 3rd
quadrant, then what is (2 sin Ѳ + 3
cos Ѳ) equal to?
(a) - 4 (b) - for some odd prime
p (c). / where p is an odd
prime and q is a positive integer
with.^ / not an integer (d) –p for
some odd prime p