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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Multiples of an Angle
125. Sin (A+B...
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125. Sin (A+B)=1 and cos (A-B) =1 then find out values of A andB
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Q.
If cosec (A + B) = 1 and cosec(A – B) = 2, 0° < (A + B) ≤ 90° and A > B then find the values of :
(i) sin A cos B + cos A sin B
(ii)
tan
A
-
tan
B
1
+
tan
A
tan
B
Q.
If
sin
(
A
−
B
)
=
1
2
,
cos
(
A
+
B
)
=
1
2
and
0
∘
<
A
+
B
<
90
∘
,
A
>
B
, then find the values of
A
and
B
.
Q.
If
tan
A
=
x
sin
B
1
−
x
cos
B
and
tan
B
=
y
sin
A
1
−
y
cos
A
, then the value of
sin
A
sin
B
for all permissible values of
A
,
B
is
Q.
If 2 cos(A + B) = 1, and 2 sin(A –B) = 1 then the values of A and B are
Q.
If
sin
A
sin
B
−
cos
A
cos
B
+
1
=
0
, then the value of
1
−
cot
A
tan
B
is
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