If
cos
(
x
)
=
11
18
\displaystyle {\cos{{\left({x}\right)}}}=\frac{{11}}{{18}}
cos
(
x
)
=
18
11
(in Quadrant-I), find
sin
(
2
x
)
=
\displaystyle {\sin{{\left({2}{x}\right)}}}=
sin
(
2
x
)
=
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