4. If f(x) = sin x, show that f(2.x) = 2f(x)f(-x) %3D
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Q: sin (x+1) 5. Find dx g(x), given f (x) = 3x +In |- 5x and g(x)=: +Vx+5
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Q: 1. If f(x, y) = sin(4x-2y)+ln(x²-2y) find fy fyx
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Q: 3. Find the derivative of (a) f(x) = (x + 2 sin x) (1 – 6 cos x), and (b) g(x) = sin x/ 7x
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Q: What is the derivative of the: y = (1 + cos2 x sin x2)3/2
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Q: 1) Find the derivative of the function: (3х — 1)3 Vx* — 1 f(x) = cos² x
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Q: What is the derivative of the function h(x) = ((4x^2-4)/(cos(x)))^8
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