Summer Review Packet for Students Entering Calculus (all ...

In exact, radian mode 5 + i ENTER gives ei arctan 5/5 3 2. In approx, polar, degree mode + 2i ENTER gives 2.449(24.095. Etc. Apparently the TI-89 cannot be commanded to display in trigonometric form (e.g. 2 cos 45° + 2i sin 45°). ................
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