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Problem
Problem
If in a right angle
Δ
A
B
C
\Delta ABC
Δ
A
B
C
,
4
sin
A
cos
B
−
1
=
0
4 \sin A \cos B - 1 = 0
4
sin
A
cos
B
−
1
=
0
and
tan
A
\tan A
tan
A
is finite, then a. angles are in AP b. angles are in GP c. angles are in HP d. None of these
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