# Texas Instruments TI-15 Explorer Calculator "sin" Questions

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## Do you enter sin 30 to get answer or 30 sin

do you enter sin 30 to get answer or 30 sin Set the angle unit to degrees. Try sin (30)=, and 30 sin The correct answer is 0.5 Usually if pressing the sin key display sin( then you should use ...

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## If f(x) = sin x, what is the 99th derivative of

If f(x) = sin x, what is the 99th derivative of f(x)? Hello, Frankly my dear, who wants to compute the 99th derivative of sin(x)? d/dx(sin(x))= cos(x) d^2/dx^2 (sin(x))= d/dx( cos(x))=-sin(x) d^3/dx^3

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## Sin square

sin square how do i typing in for y1= sin^2(x-2) I cant put a square right after the sin sin^2(x+2) is the same as (sin(x+2))^2

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## Cosh Squared or Cubed

...or Cubed I cannot figure out how to square or cube the cosh function or the others i.e. csc, sin, cos, etc. Is there a way to do this....... if you want to square sin(3), press: ( sin 3) )^ 2

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## How would you do a

how would you do a =14sin85/sin53 Input the following key combination: 14 [*] [sin] 85 [ ) ] [ ÷ ] [sin] 53 [ ) ] [ = ] You should get something that looks like 14*SIN(85)÷SIN(53)

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## How do you square a

how do you square a cosine on ti-84 plus You need to enclose the whole function in parentheses, then square it. sin^2(X) shoulld be entered as sin(x)*sin(x) or (sin(X))^2

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## How do you input arcsin

how do you input arcsin Press 2nd then SIN then input the arcsine. sin^(-1)(x) raise sin to the -1 (inverse of sin)

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## How to use sin function

how to use sin function How to access sin function Depending on calculator, enter angle then press sin key or press sin key then enter angle and press equal sign. Make sure angle units are the ones ...

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## Cos+tan(sin)=sec

cos+tan(sin)=sec This is a trigonometry problem not a calculator's. cos(x) +tan(x).sin(x) = ( cos(x) + (sin(x)/cos(x)).sin(x). After reduction to the same denominator (which is cos(x)) you obtain {cos

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## How do you use the sin-1

how do you use the sin-1 You would press on the SIN key, "sin(" should come on the display, then enter the value, for example 3.5 or -1 so that the display shows sin(3,5) or sin(-1) for example. ...

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