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Published byBertram Houston Modified over 9 years ago
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Section 1.4 Trigonometric Functions an ANY Angle Evaluate trig functions of any angle Use reference angles to evaluate trig functions
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Unit circle = opp hyp Cos = x Tan = y/x Csc = 1/y Sec = 1/x Cot = x/y Sin = y = hyp opp = adj hyp = hyp adj = opp adj = adj hyp Right Triangles = y r = x r = y x = r y = r x = x y
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Find the 6 trig functions given the point (-3, 4) Sin = Cos = Tan = Csc = Sec = Cot =
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Find the 6 trig functions given the point (-9, -40) Sin = Cos = Tan = Csc = Sec = Cot =
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Find the 6 trig functions given the point (5, -2) Sin = Cos = Tan = Csc = Sec = Cot =
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Find the values of the six trig functions when— – Cosθ = -4/5 and θ lies in quadrant III
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Find the values of the six trig functions – Cos θ = 8/17 and tan θ < 0
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