Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator
I keep getting a decimal number, how do I convert it to degrees? My problem is inverse of sin 42/57.
Posted by Anonymous on
Make sure the calculator is set to degrees. Press MODE and ensure that "DEGREE" is highlighted on the third line. Press 2ND QUIT to get out of the mode screen.
To calculate the inverse sine of 42/57, press
2ND SIN^-1 4 2 / 5 7 ENTER
The arcsine of 42/57 is about 47.46 degrees.
Posted on Apr 16, 2014
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Posted on Jan 02, 2017
If you are trying to calculate arcsine (sin^-1) and arccosine (cos^-1) the only whole number you can use are -1,0 and 1. This due to the fact that the domain of these functions is the closed interval [-1,1]. Any value outside that interval will trigger an error message. No limitation on the argument of the arc tangent or arc cotangent functions
If the angle unit is set to degree the arc will be in degrees, and if angle unit is radian, the arc will be in radians.
Posted on Sep 29, 2011
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