Question about Casio FX-250HC Calculator

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The calculator doesn't have those functions built-in. Use the relationships sec(x) = 1/cos(x), csc(x) = 1/sin(x), and cot(x) = 1/tan(x).

Posted on Aug 22, 2010

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Posted on Jan 02, 2017

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Use the cosine, sine, and tangent buttons on your calculator and invert them with x ^ -1 key.

For example, csc = 1/sin. So for csc 30 degrees, so sin 30 degrees, then hit the x^-1 key.

Good luck.

Paul

For example, csc = 1/sin. So for csc 30 degrees, so sin 30 degrees, then hit the x^-1 key.

Good luck.

Paul

Nov 10, 2015 | Casio FX-82MS Scientific Calculator

Use the formulas

sec(x)=1/cos(x)

csc(x)=1/sin(x)

cot(x)=1/tan(x)

sec(x)=1/cos(x)

csc(x)=1/sin(x)

cot(x)=1/tan(x)

Jul 04, 2015 | Casio FX570MS Scientific Calculator

csc(x)=1/sin(x)

sec(x)=1/cos(x)

csc(x)/sec(x)=(1/sin(x))*(cos(x)=cot(x)

csc(x)*cot(x)/sec(x)=(cot(x))^2=(tan(x))^(-2)

sec(x)=1/cos(x)

csc(x)/sec(x)=(1/sin(x))*(cos(x)=cot(x)

csc(x)*cot(x)/sec(x)=(cot(x))^2=(tan(x))^(-2)

Jul 12, 2014 | Super Tutor Trigonometry (ESDTRIG) for PC

Sorry, It is not possible to solve equations on the Casio FX-82 ms. Try the Casio FX-115 ES/ FX-115 ES Plus, FX-991ES/ FX-881 ES Plus C.

Oct 29, 2013 | Casio FX82MS Scientific Calculator

The Casios FX-115 ES , FX-115 ES PLus, FX-991 ES, FX-991 ES Plus C can perfom numerical differentiation at a point, and numerical integration between two given limits.

Aug 12, 2013 | Casio FX991ES Scientific Calculator

SEC, CSC & COT are the INVERSE of COS, SIN & TAN and are usually require hitting the "2nd F" or "Func" key of the calc to make:

SIN button work as COSEC,

COS button work as SEC

TAN button work as COT

Formulas are below:

sec x = __1 __

cos x

cosec x = __ 1
__

sin x

cot x = __ 1 __ = __cos x__

tan x sin x

Good luck!

Feb 05, 2013 | Sharp EL531 Scientific Calculator

Try reseting it by pressing "shift" , "9" , and "3" in that order after you turn it on. It might fix it mine did the same thing and it fixed it.

Apr 23, 2012 | Casio FX-115 Solar 236 Function Scientific...

Press the relevant function key [SIN],[COS],[TAN] followed by the angle value.

For inverse trigonometric functions [SIN^-1], COS^-1], or [TAN^-1], Press [SHIFT][SIN], [SHIFT][COS], or [SHIFT][TAN].

For other functions

sec(x)=1/cos(x)

csc(x)=1/sin(x)

cot(x)=1/tan(x)

When calculating trigonometric functions one must make sure that the angle unit the calculator is using is the correct one.

For inverse trigonometric functions [SIN^-1], COS^-1], or [TAN^-1], Press [SHIFT][SIN], [SHIFT][COS], or [SHIFT][TAN].

For other functions

sec(x)=1/cos(x)

csc(x)=1/sin(x)

cot(x)=1/tan(x)

When calculating trigonometric functions one must make sure that the angle unit the calculator is using is the correct one.

Aug 26, 2010 | Casio FX-115ES Scientific Calculator

Go to link below and download the manual it is all in that.
support.**casio**.com/pdf/004/**fx**-5800P_E.pdf

Mar 07, 2010 | Casio FX-115ES Scientific Calculator

Hello,

Use your internet seach engine or go to the casio worldwide web site. A google search returned this link to the New-Zealand site.

http://casionz.co.nz/Site/Pronto/Files/user_manuals/FX-115ES%20991ES.PDF

Hope it helps

Use your internet seach engine or go to the casio worldwide web site. A google search returned this link to the New-Zealand site.

http://casionz.co.nz/Site/Pronto/Files/user_manuals/FX-115ES%20991ES.PDF

Hope it helps

Mar 09, 2009 | Casio FX-115ES Scientific Calculator

Feb 08, 2014 | Casio FX-250HC Calculator

Aug 06, 2013 | Casio FX-250HC Calculator

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