imterribleatmath99 imterribleatmath99

16-05-2017
Mathematics

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help please (will give brainliest)

help please will give brainliest class=

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Аноним Аноним

16-05-2017

i belive you would subtract 18 from 90????

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kemanci kemanci

16-05-2017

We know that sin(a)=80/82.
sin(a)=0.9756
sin^-1(0.9756)=a
a=77.3

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