Question 1054722
Determine the solution of sec^2 theta -4=0 in the interval 0 < theta < 2pi
sec^2 = 4
sec = ±2
cos = ±1/2
theta = pi/3, 2pi/3, 4pi/3, 5pi/3
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b) if csc theta = 10/8 determine tan theta if pi/2 < theta < pi
In Q2
sin = 4/5
cos = 3/4
tan = sin/cos = -4/3  (negative in Q2)