Texas Instruments TI-83 Plus Calculator "trig" Questions

trig functions of the TI-30XA How can I use secant and cosecant functions on the TI 30XA? I am currently needing these functions for navigating great circle calculations. if the sides of a triangle ...

...on Casio fx-270W PLUS don't seem to work Need to figure out how in the world to get the inverse trig functions to work. Sine, Cosine, Tangent all work, but Secant, Cosecant don't work at give ...

were is trig on casio fx9750ii graphic calculator The basic trig functions are on the first full row of keys below the circular cursor pad, labeled "sin", "cos", and "tan" for sine, cosine, and ...

wrong trig ratio My ti 84 will always get a wrong answer if i am trying to do trig ratio. I think I am doing everything right but its trig ratio is always wrong. For example, if I do sin 78, it gives ...

graphing trig functions how do i graph trig functions on my ti-84 plus calculator? Put the calculator in radian mode and it will graph trig functions just fine. If you don't know how to change it to ...

How do I get -tan,-sin,-cos for inverse ratios If you want the inverse trig functions (arctan, arcsin, and arccos), press the yellow 2nd key before pressing the appropriate trig function key. If you ...

How do i put arc on the calculator For the inverse trig functions, press 2ND then the trig function key. For example, to calculate the arcsine of 0.5, press 2ND SIN . 5 ENTER

trig functions secant Press MATH, up/down-arrow to Trig, right-arrow, then up/down-arrow to SEC.

this calculator is really confusing, i would like to know how to use its trig functions thanks Hi there, To use the trig functions simply press the button with the trig function you want and then type

...The x^-1 key is in the leftmost column of the keyboard, below the MATH key. If you want the inverse trig functions, press 2ND then the trig function key. The Button [X(SUPERSCRIPT-1)] is the inverse ...