sine cosine

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    Question Dial Gauge Meters are not easy to make

    I am trying to make a dial meter.I am success full 75 present.I involve sine cosin values. and background pictures.this I am moving by a VScroll bar.For example my gauge is for measuring pressure.max. pressure is 250 Lbsmy gauge is circuler.I have one label also it shows a direct read out for...