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invisadude
 4 years ago
express as a single fraction the exact value of sin 75
invisadude
 4 years ago
express as a single fraction the exact value of sin 75

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BlingBlong
 4 years ago
Best ResponseYou've already chosen the best response.1The last question I answered for you was wrong

BlingBlong
 4 years ago
Best ResponseYou've already chosen the best response.1You should be able to correct the mistake now though, as you ahve seen the process

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.0sin75=sin(45+30) Now use the formula for sin(x+y)

invisadude
 4 years ago
Best ResponseYou've already chosen the best response.0what formula is that?

Mertsj
 4 years ago
Best ResponseYou've already chosen the best response.0sin(x+y)=sinxcosy+cosxsiny
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