find derivative (sinx)/x
also find the tangent equation when x = pi/2
I'm stuck at this problem in my hw, step by step plz
also find the tangent equation when x = pi/2
I'm stuck at this problem in my hw, step by step plz
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y = sinx / x
y(pi/2) = 2/pi
y' = cosx / x - sinx/x^2
y'(pi/2) = -4/pi^2
Answer: y - 2/pi = -(4/pi^2)(x - pi/2)
y(pi/2) = 2/pi
y' = cosx / x - sinx/x^2
y'(pi/2) = -4/pi^2
Answer: y - 2/pi = -(4/pi^2)(x - pi/2)