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00 Precalculus/ Fall 2021 Assignment 9 nment 9 480189: 5.0/ 15.0 JU /3 09:30:25 If cos x = and a is in quadrant Ill, find

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00 Precalculus/ Fall 2021 Assignment 9 nment 9 480189: 5.0/ 15.0 JU /3 09:30:25 If cos x = and a is in quadrant Ill, find the exact value of sin (2x), cos (2x), and tan (2x) algebraically without solving for . Enclose numerators and denominators in parentheses. For example, (a - b) / (1 + n). sin (a) ( 41/5 sin (2x) = 19 ab sin (a) co

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