If f(x) = 2x(sin x + cos x), find f'(x) = 2 (sin(x) + cos(x) +...

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If f(x) = 2x(sin x + cos x), find f'(x) = 2 (sin(x) + cos(x) + x(cos(x) - sin(x))) 2(sin(x) + cos(x)) + 2x(cos(x) - sin(x)) f'(1) = 3.9993 If f(x) = = f'(x) = 5 sin x + 2 cos x, then 5 cos(x) - 2 sin(x) f'(1) = 4.964 X 8 OB 4x² tanz If f(x) = secr f'(x) = 4(2x tan (2) cos(x) + cos(z) (2²)) 4(2x sin(x) + x² cos(x)) Find f'(1)= 4.139 , find If f(x)= 5 sin x 3 + cos x 15 cos(x) + 5 (3 + cos(x))² F 5(1+3 cos(x)) (3+ cos(x))² f'(4) = 1.249 then X If f(x)= - 6 tan x, then f'(x)=sin(x) - 6 sec²(x) = cos x f'(4) = - -6.0990 X 8 If f(x) = 2x(sin x + cos x), find f'(x) = 2 (sin(x) + cos(x) + x(cos(x) - sin(x))) 2(sin(x) + cos(x)) + 2x(cos(x) - sin(x)) f'(1) = 3.9993 If f(x) = = f'(x) = 5 sin x + 2 cos x, then 5 cos(x) - 2 sin(x) f'(1) = 4.964 X 8 OB 4x² tanz If f(x) = secr f'(x) = 4(2x tan (2) cos(x) + cos(z) (2²)) 4(2x sin(x) + x² cos(x)) Find f'(1)= 4.139 , find If f(x)= 5 sin x 3 + cos x 15 cos(x) + 5 (3 + cos(x))² F 5(1+3 cos(x)) (3+ cos(x))² f'(4) = 1.249 then X If f(x)= - 6 tan x, then f'(x)=sin(x) - 6 sec²(x) = cos x f'(4) = - -6.0990 X 8