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Posted on Dec 11, 2009
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When I'm adding component vectors, how do I get the number for 20SIN170(degrees)?

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k24674

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  • Texas Instru... Master 8,093 Answers
  • Posted on Dec 11, 2009
k24674
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Hi,
If the default angle unit is not degree, you must set it to degree by pressing the [DRG] key. Once this is done you type
170 [SIN] [ * ]20 [ENTER]

If it feels awkward to enter the command this way you must insert parentheses to make sure calculator is evaluating the sine of 170 , not the sine of 20*170
20 [*] [( ] 170 [SIN] [)] [ENTER]
Notice that the parentheses enclose 170 [SIN]. The sine of 170 will be computed first, then the result is multiplied by 20.

Hope it helps.
Thank you for rating this solution.

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