Tips for Beginners for the TI 89 Calculator

One way is graphically by plotting y1 = x, y2 = cos x and in ( GRAPH find the intersection of two functions using F5 Math 5: intersection. You will be prompted to choose two functions and an x value on each side of the intersection. Or in the entry line use solve(x = cos(x), x), giving “x = .739085133”. ................
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