+0  
 
-1
1085
1
avatar+2448 

I'm probably really wrong lol, but I tried!

 Feb 22, 2018
 #1
avatar+128079 
+2

Remember that

 

sin x  =  cos(90 - x)

 

So   cos (90 - x)   =  0.84

 

 

cool cool cool

 Feb 22, 2018

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