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anonymous
 5 years ago
which expression is equivalent to sin(42degrees)cos(48degrees)+cos(42degrees)sin (48degrees)?
anonymous
 5 years ago
which expression is equivalent to sin(42degrees)cos(48degrees)+cos(42degrees)sin (48degrees)?

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Owlfred
 5 years ago
Best ResponseYou've already chosen the best response.0Hoot! You just asked your first question! Hang tight while I find people to answer it for you. You can thank people who give you good answers by clicking the 'Good Answer' button on the right!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0everyone doing these same questions tonight? must be an epidemic this is the "addition angle" formula for sine \[sin(a+b)=sin(a)cos(b)+cos(a)sin(b)\] here \[a=42,b=48,a+b=90\] \[sin(90)=1\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0i dont remeber this there from like my freshman year.
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