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Mathematics
Mathematics
Problem
Which of the following equations has no real solution? a)
tan
x
=
2
\tan x = 2
tan
x
=
2
b)
sin
x
=
−
1
\sin x = -1
sin
x
=
−
1
c)
cos
x
=
1.5
\cos x = 1.5
cos
x
=
1.5
d)
sin
x
=
π
6
\sin x = \dfrac{\pi}{6}
sin
x
=
6
π
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