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03-08-2018
Mathematics

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If cos 90 degress = 0 then sin 0 degrees =

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rejkjavik rejkjavik

03-08-2018

we are given

[tex] cos(90)=0 [/tex]

we can use formula

[tex] cos(90-\theta)=sin(\theta) [/tex]

we can rewrite it as

[tex] cos(90-0)=sin(0) [/tex]

so, we get

[tex] cos(90)=sin(0) [/tex]

we can plug back cos(90)

[tex] cos(90)=sin(0)=0 [/tex]

so,

[tex] sin(0)=0 [/tex]............Answer

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