Q.
A function f(x) is defined as f(x)=sinx, x is rationalcosx, x is rational is continuous
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a
x=nπ+π/4, n∈I
b
x=nπ+π/8, n∈I
c
x=nπ+π/6, n∈I
d
x=nπ+π/3, n∈I
answer is A.
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Detailed Solution
f(x) is continuous at some x where sinx=cosx or tanx=1 or x=nπ+π/4, n∈I
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