How do you use a calculator to find $sin (x) = \frac{3}{5}$ $sin(x)=3/5$ ?

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Answer 1 · 2015-10-05T06:58:19

$x = 36.9$ $x=36.9$

Using your calculator, press "shift" " $sin$ $sin$ " and it should come out as ${sin}^{- 1}$ $sin^-1$

$sin x = \frac{3}{5}$ $sin x = 3/5$
$x = {sin}^{- 1} (\frac{3}{5})$ $x=sin^-1(3/5)$
$x = 36.9 \Rightarrow$ $x=36.9 rArr$ (to 3 s.f)

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