two phono sockets on the back are marked “ video (audio) in”. obviously it provides for stereo audio from your vcr dvd tv etc.two phono sockets on the back are marked “ video (audio) in”. obviously it provides for stereo audio from your vcr dvd tv etc.
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if you have a smartTV Blue Ray player, samsung have an IOS app that can control it, although not tried it for this function. If not, you'll have to get a new remote
The trigonometric function [SIN],[COS] and [TAN] have inverse functions arc-sine, arc-cosine, and arc-tangent which are also implemented on scientific calculators. To access the inverse trigonometric functions you use the sequences [SHIFT][SIN], [SHIFT][COS] and [SHIFT][TAN]. The functions are marked on the body of the calculator as [SIN^-1], [COS^-1] and [TAN^-1]. When you use these functions, make sure that the angle unit is correctly set (as required by the problem you are solving) because the angle values returned are in the same unit as the one set.
The inverse trigonometric function share each the same physical key with its direct function. The inverse trigonometric functions are accessed with the [SHIFT] key [SHIFT] [SIN] accesses the arcsine [SHIFT][COS] accesses the arccosine and [SHIFT][TAN] the arctangent.
Hello, 1.Set the correct angle unit required by your problem: degrees, radians, or grads. [SHIFT][MODE] [3:deg] or [4:Rad]
2. Press the key for the function COS, SIN, or TAN [COS] displays Cos(
3.Enter the angle 12 deg Screen shows cos(12 Close the right parenthesis ) Screen shows cos(12) 4.Press [=] Screen displays 0.9781
If you want the inverse trigonometric functions you access them with arccos [SHIFT] [COS] (cos^-1) arcsin [SHIFT][SIN] (sin^-1) actan [SHIFT][TAN] (tan^-1)
You have to know the principal domain for the inverse trigonometric functions (see any book on trigonometry) to understand the results. Hope it helps.
Hello,
You have 3 keys for the main trigonometric functions: [SIN], [COS] and [TAN]
To use them correctly you must set the angle unit to the one your problem calls for.
Press [SIFT][MODE] [3:Deg] for degree, [4:Rad] for radian, [5:Grad] for grad. Dependig on angle unit chosen a small D, R, or G appears on the top of the screen.
If you need the inverse trigonometric functions arcsine, arccosine, arctangent, you access them by first pressing the [SHIFT] key
Thus
arcsine [SHIFT][SIN] (sin^-1)
arcosine [SHIFT][COS] (cos^-1)
arctangent [SHIFT][TAN] (tan^-1)
The syntax for the function is
[SIN] # [ ) ] [=]; [SIN] 30 [ ) ] [=] gives 0.5
[COS] # [ ) ] [=] [COS] 19 [ ) ] [=] gives 0.945518576
Note: if the argument of the functions are numbers, the right parenthesis is not necessary. But if the argument is an expression (with various operations) better put the parenthesis to make sure the calculator is performing as one wants it to.
By the way, there are no keys, or key combinations to calculate cotangent, cosecant, and secant, but you can use the definitions:
cotangent (x) = 1/tan(x) Do not confuse it with tan^-1 cosecant(x) = 1/sin(x) Do not confuse it with sin^-1 secant(x) = 1/cos(x) Do not confuse it with cos^-1
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