Assuming that is in interval evaluate
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U is on interval (-pi/2, 0), tan(u)=-1/3 Evaluate sin(2u)
Originally Posted by bseymore U is on interval (-pi/2, 0), tan(u)=-1/3 Evaluate sin(2u)
sin(2u) = 2sin(u)cos(u) sketch a reference triangle in quad IV ... opposite side = -1 , adjacent side = 3 calculate the hypotenuse and determine the values of sin(u) and cos(u)
Originally Posted by alexmahone Do you think you could show how you reached this answer? Thanks
Originally Posted by bseymore Do you think you could show how you reached this answer? Thanks Work backwards.
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