All the trig I need for AP Calculus AB

Sum/difference of two cubes: Basic graphs:, n even , n odd, r. y. x. 4.71 . A - all trig functions positive in Quad I. S - sin & csc functions positive in Quad II. T – tan & cot functions positive in Quad III. C – cos & sec function positive in Quad IV. 30° = 60° 45° 45° sin cos tan. csc sec cot. sin cos tan ................
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