в a Note: Triangle may not be drawn to scale. 91 and c = 109. Suppose a = 60 and b Find an exact value (report answer as a fraction): sin(A) = Preview cos(A) Preview tan(A) Preview sec(A) = Preview csc(A) = Preview cot(A) = Preview

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A: a = 9 , b = 12  Thus, by Pythagoras theorem,  c  = a2+b2  = 81+144  = 225 = 15

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A: use Pythagoras theorem to calculate c as: c2 = a2 + b2 = 42 + 112 = 16 + 121 = 137 Hence, c = √137