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Byju's Answer
Standard XII
Mathematics
Equation of Tangent at a Point (x,y) in Terms of f'(x)
The equation ...
Question
The equation of the normal at
t
=
π
2
to the curve
x
=
2
sin
t
,
y
=
2
cos
t
is?
A
x
=
0
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B
y
=
0
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C
y
=
2
x
+
3
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D
y
=
3
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Solution
The correct option is
B
y
=
0
d
x
=
2
cos
t
,
d
y
=
−
2
sin
t
−
d
x
d
y
=
−
cot
t
d
x
d
y
=
cot
t
Slope =
0
as it is x-axis
Hence,
y
=
0
Suggest Corrections
1
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