SOLUTION: Suppose sin a=((1)/(3)), with a in quadrant 1, and cos b=((3)/(4)), with b in quadrant 4 Find sin(a+b)

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Question 750383: Suppose sin a=((1)/(3)), with a in quadrant 1, and cos b=((3)/(4)), with b in quadrant 4 Find sin(a+b)
Answer by tommyt3rd(5050)   (Show Source): You can put this solution on YOUR website!

All trig functions are positive in quad 1:


In quadrant 4 sine is negative:









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