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Problem
Problem
Between any two real roots of the equation
e
x
sin
x
−
1
=
0
e^x \sin x - 1 = 0
e
x
sin
x
−
1
=
0
the equation
e
x
cos
x
+
1
=
0
e^x \cos x + 1 = 0
e
x
cos
x
+
1
=
0
has a. atleast one root b. almost one root c. exactly one root d. no root
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