Hi

in the right triangle ABC, C is the right angle and sinA= 

sinA = opp/hyp

Letting x represent the other side

applying the Pythagorean Theorem

 

         x^2 = 4-3

         x  = 1   (tossing out negative solution for length)

 sinB = opp/hyp = 1/2  and cscB = 1/sinB = 2

 

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