I'm stuck. All help is greatly appreciated.
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Ok since the problem stated that cos is a acute angle that means you in the 1st quad so your sin is going to be positive as well. Now use pyth to figure out what sin A is so Now Can you finish up
Thanks very much. I'll see what I can do.
Does it work out to: 4(square root 2)/9 ?
Originally Posted by right-as-rain Does it work out to: 4(square root 2)/9 ? You tell me and knowing so just plug in
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