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What is the value of x? sin55°=cosx
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What is the value of x? sin55°=cosx

User Ekl
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6 votes
it should end up like this.
What is the value of x? sin55°=cosx-example-1
User Bachalo
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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
User Mrusful
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8.3k points
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