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Big Karl

Calculator will not find the f@#$'in inverse sine

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My Casio fx-9750 GIl gets an "Ma error" if say I plug in sin^-1 8/15. Is there any solution? Can I do it without a calculator?

 

Actually I plugged in .53 instead of 8/15, problem solved.

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problem solved.

Hope this doesn't sound rude, but why did you hit the "post" button, instead of canceling the thread?

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My Casio fx-9750 GIl gets an "Ma error" if say I plug in sin^-1 8/15. Is there any solution? Can I do it without a calculator?

 

Actually I plugged in .53 instead of 8/15, problem solved.

 

Draw rectangular triangle which contains base length is sqrt(152-82), height 8

and measure the angle by using an angle mater.

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