Question 414320
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Hi
f(x)=sinx and g(x)=tanx
f(0) = sin(0°) = 0             (tan(0°) = sinx/cosx would also be 0)
Thought this (cosx,sinx) Summary may be of benefit to You in Your work:
<img src="http://www.math.ucsd.edu/~jarmel/math4c/Unit_Circle_Angles.png">