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kaitlyndconner kaitlyndconner
  • 20-03-2017
  • Mathematics
Answered

What is the value of x? sin55°=cosx

Verified Answer :

irspow
irspow irspow
  • 20-03-2017

Well from identities we know that sina=cos(90-a), in this case 90-55=35.  But if we didn't know this we could also say:

cosx=sin55

x=arcos(sin55))=35

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Anći
Anći Anći
  • 20-03-2017

it should end up like this.

View image Anći
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