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Can someone explain these two ?
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1 vote
Can someone explain these two ?

Can someone explain these two ?-example-1
User Cmrhema
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Answer: tan(theta)= sqrt(21)/-2

cos(b)=-5/2

y=sqrt(5^2-(-2)^2)=sqrt(21)

tan(theta)=y/x

tan(theta)=sqrt(21)/-2

User Gokhan Dilek
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