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Byju's Answer
Standard XII
Mathematics
Trigonometric Ratios of Compound Angles
Given , 13 si...
Question
Given , 13 sin A = 5 . Evaluate
4
s
i
n
A
−
3
c
o
s
A
t
a
n
A
.
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Solution
s
i
n
A
=
5
/
13
c
o
s
A
=
12
13
t
a
n
A
=
5
/
12
So,
4
s
i
n
A
−
3
c
o
s
A
t
a
n
A
=
4
(
5
/
13
)
−
3
(
12
/
13
)
5
/
12
=
−
192
65
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