M 3 2 1 -1 -2- 3 2 n E π/6 π/3 7/2 27/357/0 5 le € 2 T/6/3/2 2/3 57/67/6 4/3 3/2 5/3 11/6 2 13 n T/6/3/2 2/3 57/6 x 77/6

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M 3 2 1 -1 -2- 3 2 n E π/6 π/3 7/2 27/357/0 5 le € 2 T/6/3/2 2/3 57/67/6 4/3 3/2 5/3 11/6 2 13 n T/6/3/2 2/3 57/6 x 77/6 47/3/3/2 5/3 11m/6 2 13 p d 7n/6 4/3 3/2 5/3 1126 2n 13

3 2 1 -1 -2 LA 3 2 1 -1 -2- -3 3 2 -1 -2+ -3- n/6 m/3 n/2 2/3 5n/6 x 7n/6 4/3 3/2 5m/3 11x/6_2n_13 n/6/3/2 2/3 57/6 te π/6 π/3 π/2 2/3 5/6 T 7n/6 4/3 3/2 S3 117/6 2n 13 7n/6 4/3 3/2 5/3 11/6 2 13 ď

(a) Use the graph of f(t) = equation: 00 • ko k/K/00 KN 0056 Alo i5 / #/m olov us/os */ #o 2п 3 Зп 4 5п О • KK/K/00 KN 0 3 Зл П 5п 6 U О tan(t) to find the values of t in the interval (0, 2n) that satisfy the 7 П 7п 6 5п 4 3 3п 2 5п 3 7п (b) Use the graph of f(t) = sec(t) to find the values of t in the interval [0, 2π) that satisfy the equation: 4 11п 6 U olat colst nоlse colat is ala tant = -1 23 3 sect= 23 (FYI: > 1.155) 3