#50 4.03 questions Precalculus

label Mathematics
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May 14th, 2015

Find the values in degrees without the aid of  a calculator

a)  tan ᶿ= √ 3= opp/adj

opp = √3, adj = 1, hyp = sqrt (3+1) = 2 

So we have a triangle with ratio of sides = 1:√3:2 
This is a 30-60-90 degree triangle 

θ is opposite side √3, therefore it is the 60 degree 


b) Cos ᶿ= 1/2= adjacent/opp=

his is a 30-60-90 degree triangle 

therefore ᶿ= 60



May 14th, 2015

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