# Urgent

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draw an angle x in the 1st quadrant with sinx=3/5, and an angle y in the 2nd quadrant with cosy=-12/13, then determine the exact value of tan(x+y).

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• Urgent -

in QI, cosx = 4/5
in QII, sinx = 5/13

now you can get tanx and tany, and use the formula for tan(x+y)

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[Note: This one... is super hard for me :( I really need help. please. I only have 2 hours left and I have no idea what I'm doing!! Suppose that cosx= -3/5 and x is in the third quadrant, and that siny= 2/9 and y is in the second quadrant. …

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