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Byju's Answer
Standard XII
Mathematics
Range of Trigonometric Expressions
What is the m...
Question
What is the maximum value of sinxcosx.
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Solution
sinxcosx
=
1
2
×
2
sinxcosx
=
1
2
×
sin
2
x
as
we
know
that
sin
2
x
=
2
sinxcosx
So
we
get
sinxcosx
=
1
2
×
sin
2
x
Now
maximum
value
of
sin
function
is
1
so
sinxcosx
=
1
2
×
1
=
1
2
So
1
/
2
is
the
maximum
value
.
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