document.write( "Question 1206726: 𝑖 = 20 sin(100𝜋𝑡 + 0.4) \r
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Algebra.Com's Answer #844339 by ikleyn(52788)\"\" \"About 
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document.write( "It will happen when the argument first time will reach the value of \"pi%2F2\"\r\n" );
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document.write( "   100*pi*t+0.4 = \"pi%2F2\".\r\n" );
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document.write( "It gives\r\n" );
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document.write( "   t = \"%28pi%2F2+-+0.4%29%2F%28100%2Api%29\" = \"%283.14159265358979%2F2-0.4%29%2F%28100%2A3.14159265358979%29\" = 0.0037267605.\r\n" );
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document.write( "The dimension is the same as the dimension of \"t\" in the formula, which (dimension) is not given in the post.\r\n" );
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