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Step B1 Step B2
Step B3 Step B4 = Step A5
Step B5 = Step A6
We can also follow the evaluation of the expression starting from the 4 in the
argument of the SIN function in the denominator. Press the down arrow key
˜, continuously, until the clear, editing cursor is triggered around the y, once
more. Then, press the right arrow key until these cursor is over the 4 in the
denominator. Then, press the upper-arrow key —to select this 4. The steps in
the evaluation of the expression, starting from this point, are shown below:
Step C1 Step C2