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avatar+1715 

Use the unit circle to find sin Θ.

 

A) √3

B) 1/2

C) √3/2

D) √3/3

E) 2

 

 

 

 

 

 

 

The triangle shown is an isosceles right triangle. What is the tangent of angle A?

 

 

A) 1

 

B) 2

 

C) √2

 

D) √2/2

 

E) 1/2

 Aug 28, 2019
 #1
avatar+111394 
+2

First one

 

Sin θ  =  y  / r   =    [ √ 3/2 ]  / 1   =  √ 3 / 2

 

Second one

 

Since we have an isoceles right triangle , AB  = BC

 

Tan A  =     BC /  AB   =   AB  / AB   =  1

 

 

 

cool cool cool

 Aug 28, 2019

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