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These are the 2 triggering modes available in a CRO.
In alternate triggering mode, the first horizontal sweep is reserved for the first channel to output the waveform, the second sweep for the second channel and this keeps alternating. This is suitable when sweep time is small or else we may observe flickering of signals in the display [This is because, during a sweep, one of the channel is inactive and thus its output clears off in a certain time( remember phosphorescent coating)].
In chopped mode, during a sweep, parts of the output wave are drawn in both the channels in an alternating manner, the frequency of which is kept high to provide in-sensitiveness to human eye. This works well for higher sweep times.
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How do you find cosine on a scientific calculator?
Look for a button marked "cos". Note that some calculators have degrees, radians and other measurements. So check you are in the right mode.
What is cosine of 23 degree angle?
This can be done on a graphing calculator by making sure you have your calculator in degrees mode, and then tentering the cos(23). You get an answer of 0.9205048535.
If the sin 0.58333 what is the angel?
You can calculate that on any scientific calculator. Make sure you put it into the correct angle mode (degrees, or radians, depending on what you need), and press something like "inverse", followed by "sin".In Excel, you can type: =asin(0.58333) That will give you the angle in radians.
How do you find an angle using sine cosine tangent?
If you know the angle's sine, cosine, or tangent, enter it into the calculator and press <inverse> sine, cosine, or tangent. On MS Calc, in Scientific Mode, using Degrees, enter 0.5, then check Inv and the press sin. You should get 30 degrees. The other functions work similarly.
How do you get cosine of 70 degrees?
Note: When doing trigonometry, it is highly recommeded that you have a scientific calculator at hand. Also, make sure your calculator is in Degree (D or Deg) mode and not Radian (R or Rad). To find the cosine of 70o, press 'cos', then type in 70, then press equals. You should get 0.342 (to the nearest 3 decimal places).
