education.fcps.org · + 31.0 — CDTrèrI cos 120 sin 315 tan 90 150 5pi/6 sin 4pi/3 cos pi/ 2 tan...
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education.fcps.org · + 31.0 — CDTrèrI cos 120 sin 315 tan 90 150 5pi/6 sin 4pi/3 cos pi/ 2 tan sec pi/3 11/3 z Introduction to Trigonometry ... DMS: Degrees, minutes, seconds: