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"COS" stands for "Cosine", which is one of the 6 trigonometric functions. Similarly, "SIN" stands for Sine, and TAN stands for Tangent.

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Q: What dies COS stand for on calculator?
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What button on the graphing calculator is arc cos?

It is usually [Shift] [cos] though on some calculators it may be [2ndF] [cos] The arc cos function is often written as cos-1 or acos, and on most calculators is written above the button to press; the colour of the text used to write it usually matches up with the key needed to press before the cos button. On Casio calculators, it is [shift][cos] with the shift key labelled in yellow, and cos-1 written in yellow. On a Texas Instruments calculator it is [2nd] [cos] with the 2nd key labelled in blue and the cos-1 written in blue. On a Hewlett Packard calculator it is [<up_arrow_pointing_left>][cos] with the up_arrow_pointing left a white key with a black arrow and ACOS written in white above the cos button.


How do you put sec in a TI 84 calculator?

For any calculator Sec(Secant) = 1/Cos Csc (Cosecant) = 1/ Sin Cot (Cotangent) = 1/Tan


How do you put sec cubed in a calculator?

sec x = 1/cos x → sec³ x = 1/cos³ x or sec³ x = (cos x)^-3 Therefore to enter sec³ x on a calculator: Newer, "natural" calculators: mathio: sec³ x → [x-power] [cos] [<angle>] [)] [navigate →] [(-)] [3] [=] lineio: sec³ x → [(] [cos] [)] [)] [x-power] [(-)] [3] [)] [=] Older, function acts on displayed number calculators: sec³ x → [angle] [cos] [x-power] [3] [±] [=]


What does AC stand for on a calculator?

All Clear


What does the the letter C stand for on a calculator?

"C" = clear - pressing it sets all the calculations in the calculator back to zero.