Texas Instruments TI-83 Plus Calculator "square cos" Questions

...square sin(3), press: ( sin 3) )^ 2 1) Selecting the sin/cos/tan key results in sin( or cos( or tan( being displayed on your computer, 2) press [in succession] x,). Your calculator should now be ...

cos^2 what do you type in to get cos squared? I can;t find it on my ti-83 plus cos(number)^2 (or use the square button)

...cos square something im not getting the correct answer doing this. Take the cosine of the number (cos key), square the result (x2 key). Make sure the calculator is in DEG and not RAD mode. Most ...

how do you calculate cos squared? (cos(x))^2

cos(30 deg) is equal to square root (3) /2 which cannot be fraction (the square root of 3 is an irrational number). However, it may be possible for your calculator to give you a result with a radical

TI-89 Problems When i go to do a cos, tan, sin function or add an exponent (ie. 2^2) the calculator wont answer me. It just repeats what i have typed into it on the main screen without actually doing ...

cos 32° 45' The question states that 32 is in degrees and 45 is in minutes. This should give the answer 0.841039, but I don't know how to input the 32° 45'. Hello, Look at the column of keys

how do i graph a circle in parametric mode? The simplest way is X1=cos(T) Y1=sin(T) Set angle unit to radians, Set the Zoom window to SQR (square), otherwise your circle will look like an ellipse.

...cos and tan to a power on the FX-9750gii? When i try the normal way i get a syntax error. The "normal" way is an anomaly in mathematical notation. Think of the square of sine of x. It's normally ...

...cos tan into decimal format? I'm not sure i wording this right... The values of trigonometric functions are real numbers. A few special values are rational such as tan(45 degrees)=1. In general ...