Question 4 (cos(2x) – sin(2x) cos( 2x )) dx=- cos(x) – sin(x) -F(x) +C. For -C. What is F (x)? 3 A (csc(x) – sec(x))3 ® sin(x) + cos°(#) + cos(+) + in°C«) B) -cos (x)+ cos 3 -cos³ =sin³ (x) 3 2 2 sin (x) - cos? (x) – cos(x) + -sin³(x) 3 3 1 D (sin(x) – cos(x)) -3 - cos

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Q: 3 sin a If f(x) –, then 2+ cos x 3+ 6 cos(x) (2+ cos (z))² f'(x) = f'(5) =

A: For part (b) just put 5 in place of x in the expression of part (a).

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Q: (cos(2x) – sin(2x)cos(2x)) cos(x) – sin(x) For -dx=-F(x) + C. What is F (x)? 3 A (csc(x) – sec(x))3…

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A: cos(2x ) =cos2(x)-sin2(x) = 2cos2(x)-1 =1-2sin2(x) sin(2x) = 2sin(x) cos(x)

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Q: 1(a) Evaluate sin(theta)cos(theta)-sin^2(theta) at theta=pi/2 (b) Evaluate sin(theta)+cos(theta)at…

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