Texas Instruments TI-84 Plus Calculator "83 sin working" Questions

...Sin, Cos, and Tan on the TI-83 plus? First, make sure you have the appropriate angular mode set. To change the angular mode, press MODE, use the arrow keys to highlight either "RADIAN" or "DEGREE" on ...

...sin squared in Ti-83 The position of the exponent in trig functions is an anomaly in mathematical notation. While the square of sin x is commonly written as sin^2(x) ,the square of any other ...

When I try to solve a sine, cosine, or tangent problem, it comes out differently than the real answer. Other keys work fine though... ex: sin(37) Real: .6018 Mine:-.6435 How do I fix this? When you ...

sin or cos or tan on my calculator the wrong answer comes up, how do i fix this? Most likely you do have the calculator in radians (or if you are working in radians, you have it in degrees). Press the

...working with arcsin (aka. sin^-1), and arccos. You probably weren't using arctan because, you would have never gotten this error message due to the fact it goes on forever. And this way your answers ...

...83 Plus, is not working properly. The buttons: sin, cos and tan seem not to be working properly; I even tried in mathematics questions that were answered, the calculator gives me a different anwer. ...

...sin( 20π + (π/2)) for example) ive typed in it does give the right answer, but i don't know why with the other one it doesn't.Thank you,Maria -1E-13 is a very small number. When doing this ...

sin, cos, and tan do not seem to work properly. Press "Mode" Check to see if you are in radian mode or degree mode (one of the top categories) If you are entering your numbers from sin, cos, and tan ...