Find The Equation Of The Tangent Line To The Curve

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Find the equation of the tangent line to the curve y=4tanx at the point (pi/4,4)

 

Answer No.1

Anonymous

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Y' = 4 sec^2 x = 8 y-4 = 8(x - pi/4) y = 8x + 4-2 pi

Answer No.2

Anonymous

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E y=4tanx at the point (pi/4,4) slope = 4 sec^2(x) = 4 sec^2(pi/4) = 4*2 = 8 eqaution of tangnet: y -4 = 8(x-pi/4)

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