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Byju's Answer
Standard XII
Mathematics
Graph of Trigonometric Ratios
Write the max...
Question
Write the maximum value of 12 sin θ − 9 sin
2
θ.
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Solution
Let
f
θ
=
12
sin
θ
-
9
sin
2
θ
=
-
9
sin
2
θ
-
12
sin
θ
=
-
3
sin
θ
2
-
2
.
3
sin
θ
.
2
+
2
2
-
4
=
-
3
sin
θ
-
2
2
-
4
=
4
-
3
sin
θ
-
2
2
Minimum
value
of
3
sin
θ
-
2
2
is
0
.
Therefore
,
maximum
value
of
4
-
3
sin
θ
-
2
2
would
be
4
.
Suggest Corrections
2
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