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... sin(3x)dx. (f). ∫ 2. 1 x3 lnx dx. Hint: Try integration by parts. 2. Compute ... sin(3x) + C. (f) Integration by parts. Answer: ∫ 2. 1 x3 lnx dx = 1. 4 x4 ... This handbook will help you plan your study time, beat procrastination, memorise the info and get your notes in order. 8 study hacks, 3 revision templates ... A trigonometric identity for sin(3x) is . This identity comes from the following well-known trigonometric identities. y = sin x + cos x ⇒. 9. y = 4x + √1 − x ⇒. 10. y = (x + 1)/p5x2 + 35 ⇒. 11. y = x5 − x ⇒. 12. y = 6x + sin 3x ⇒. 13. y = x + 1/x ⇒. 14. y = x2 + 1/x ... I have found the correct answer by using the golden ratio, but how to get the answer from the first part I do not know. I thought that this would be a simple ... cos2(3x) − sin(3x)+1=0. D) Sketch the graph of the following function y = |sin(2x)| − 1. 2. Page 3. Vectors (30 minutes). A) Sketch, in the cartesian ... Feb 5, 2015 ... 5 Answers 5 ... The computation can be done simply as follows tan2xsin3x=sin2xsin3xcos2x=2sinxcosx[sinx(2cos2x+1)]cos2x=2cosx(2cos2x+1)cos2x→2⋅1(2 ... sin 3x. 4. 3x + 2. (e) lim x(1. -. COS. ) (1). 004X lim x+3. 11m [sin (x-3)]. 2. 9. 3.1 ... sin b - sin a <<< [b].

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