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Arcsin not working

Pixelle -  
baladur13 Posted messages 47365 Registration date   Status Moderator Last intervention   -
Hello,
I set my TI-82 calculator to degrees, and when I type 2nd sin 55, it gives me DOMAIN ERROR... help me, I have a test tomorrow.

1 answer

  1.
    baladur13 Posted messages 47365 Registration date   Status Moderator Last intervention   14 402
     
    Hello,
    Apparently, some parentheses are missing somewhere
    In "Degree" mode, if you want the sine of 55 degrees, you need to type Sin(55)
    However, if you want the inverse sine (arc sine), then you need to type 2nd Sin(55)
    Excerpt from the manual on page 59 The manual: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&ved=2ahUKEwiSwbDjkJPfAhWBy4UKHU0yAMIQFjAAegQIBxAC&url=http%3A%2F%2Feducation.ti.com%2F%7E%2Fmedia%2F9A9D765D9E394B2897336CC1F712B5B9&usg=AOvVaw0Tp6SReqS1S0iqgQN93vMf
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