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OpenStudy (anonymous):
If 3sin^2A=2.25 and A is an acute angle,then find A. I started with this problem but am always getting stuck at a point!!
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OpenStudy (mathstudent55):
3sin^2A = 2.25 sin^2A = 0.75
OpenStudy (anonymous):
ya! then i took the square root of 0.75!! then?
OpenStudy (mathstudent55):
sinA = sqrt(0.75) = sqrt(3/4) = sqrt(3)/2
OpenStudy (mathstudent55):
Don't you recognize sqrt(3)/2 from a previous problem?
OpenStudy (anonymous):
Ya!! now i will be able proceed thanks!!!!
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OpenStudy (mathstudent55):
wlcm
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