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OpenStudy (anonymous):
What is the value of sin7.5? use the half angle formula
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OpenStudy (anonymous):
since \(7.5\) is half of \(15\) i guess you will have to use the half angel formula twice, as \(15\) is half of \(30\)
OpenStudy (anonymous):
okay thanks thats what i thought but wasnt positive so i just wanted to make sure. thank you!
OpenStudy (anonymous):
would i start with the 15 or the 30 @satellite73
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