Alternatively, get the trig identities study sheet as a slide in Google Apps for viewing anywhere or sharing with classmates or students. Download the PDF version to print your own. Values of the other trigonometrical ratios of the standard angles. This cheat sheet is optimized to fit on a single sheet of paper. Standard angles from the trigonometrical ratios table therefore we can easily find the Since, we know the sin and cos value of the Respectively the positive square roots of 4/4, 3/4, 2/4, 1/4, 0/4 Similarly cosine of the above standard angels are The standard angles 0°, 30°, 45°, 60° and 90° are respectively the opposite sin hypotenuse q hypotenuse csc opposite q adjacent cos hypotenuse q hypotenuse sec adjacent q opposite tan adjacent q adjacent cot opposite q Unit circle definition For this definition q is any. If θ be an acute angle, the values of sin θ and cos θ lies between 0 and 1 (both inclusive). Trig Cheat Sheet Definition of the Trig Functions Right triangle definition For this definition we assume that 0 2 p <<q or 0°
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