kgbrewer22 kgbrewer22
  • 30-04-2019
  • Mathematics
contestada

How do you do this? This is trig mixed sides​

How do you do this This is trig mixed sides class=

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LammettHash
LammettHash LammettHash
  • 01-05-2019

In this triangle,

[tex]\cos45^\circ=\dfrac n{60}[/tex]

You should know that

[tex]\cos45^\circ=\dfrac1{\sqrt2}[/tex]

so that

[tex]n=\dfrac{60}{\sqrt2}=30\sqrt2\approx42.4[/tex]

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