Daily Graph 17-04-09

This one is a 10 second problem...

cos {x} = 1

3 Answers

106
Asish Mahapatra ·

==> {x} = 2nπ
==> {x} = 0
==> x = all integers

62
Lokesh Verma ·

cos {nx} = 1

where n is any fixed integer...

106
Asish Mahapatra ·

==> {nx} = 2mπ
==> {nx} = 0 as 0≤{y} < 1
==> x is an integer OR nx=1 ==> x=1/n

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