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Byju's Answer
Standard X
Mathematics
Relation between Trigonometric Ratios
If cos B=35 a...
Question
If
cos
B
=
3
5
and
A
+
B
=
90
°
,
then
find
the
value
of
sin
A
.
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Solution
We
have
,
cos
B
=
3
5
⇒
cos
90
°
-
A
=
3
5
As
,
A
+
B
=
90
°
∴
sin
A
=
3
5
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If A + B = 90° and
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