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Given sina = 3/5 and sinB=5/13 find cos(a-B):____ a). 14/65 b). 33/65 c). 63/65 explain ?

Given sina = 3/5 and sinB=5/13 find cos(a-B):____ a). 14/65 b). 33/65 c). 63/65 explain ?
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Given sina = 3/5 and sinB=5/13 find cos(a-B):____

a). 14/65
b). 33/65
c). 63/65
explain ?

User Aledalgrande
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1 Answer

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I’m pretty sure the answer is C
User Godess
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