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Tardigrade
Question
Mathematics
If sin A-√6 cos A=√7 cos A, then cos A+√6 sin A is equal to
Q. If
s
in
A
−
6
cos
A
=
7
cos
A
, then
cos
A
+
6
s
in
A
is equal to
3258
285
Trigonometric Functions
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A
6
s
in
A
15%
B
7
s
in
A
43%
C
6
cos
A
24%
D
7
cos
A
18%
Solution:
s
in
A
−
6
cos
A
=
7
cos
A
⇒
s
in
A
=
(
7
+
6
)
cos
A
⇒
7
s
in
A
−
6
s
in
A
=
(
7
−
6
)
cos
A
⇒
7
s
in
A
=
cos
A
+
6
s
in
A