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avatar+124 

Angles  C and  D are acute angles of a right triangle.

Given  cosD=27 , which statement is true?

 

A: sin D = 5/7

B: sin C = 5/7

C: sin D = 2/7

D: sin C = 2/7

 Feb 9, 2020
 #1
avatar+2855 
+2

I think you mis-typed 2/7 as 27

 Feb 9, 2020
 #2
avatar+111389 
+2

If cos  D  =  5/7

 

Then   sin C  =  5/7

 

 

cool cool cool

 Feb 10, 2020

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