How do you solve $cos (80^{\circ}) = \frac{x}{10}$ $\cos (80^@) = x/10$ ?

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Answer 1 · 2018-02-17T20:34:59

$x$ $x$ is about $1.73648$ $1.73648$ .

Isolate $x$ $x$ and then use a calculator to compute the trig function:

$\Rightarrow cos (80^{\circ}) = \frac{x}{10}$ $color(white)=>cos(80^@)=x/10$

$\Rightarrow 10 \cdot cos (80^{\circ}) = x$ $color(white)=>10*cos(80^@)=x$

$\Rightarrow 10 \cdot 0.173648 \approx x$ $=>10*0.173648~~x$

$\Rightarrow 1.73648 \approx x$ $color(white)=>1.73648~~x$

How do you solve \cos (80^@) = x/10cos(80∘)=x10\cos (80^@) = x/10?