Question: 16. If cos A = -- 15 13 with A in QII and tan B = 8 with B in QIII, find the exact value

16. If cos A = -- 15 13 with A in

16. If cos A = -- 15 13 with A in QII and tan B = 8 with B in QIII, find the exact value of each of the following without using a calculator. a) cos 25 b) sin(2.A) 17. Find all radian solutions of each equation. (a) sin ( 2x) = - (b) cot' x-1=0 18. Find all solution in the interval [0,27). (a) (sinx - 2)(2sin.x +

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