Calculus: Brief Intro to Trig Derivatives

(3) 3sin(3x + 2) Using trig identity sin x + cos x 0 Examples : Example: Sim- ... 2x(sin2 x) + 2x sinxcosx or, factor out the 2xsinx: 2xsinx(sinx + xcosx) 3 sinx Y — sin (4x)+ cos shortcut: sin2+ cos2 dy/dx = 3cosx(2x + 5) — 2(3sinx) O 2sinxcosx 4cos(2x) Using trig identity: sin2x — Y = 2sin2x dy/dx = 2 [cos2x • 2] — Using product ... ................
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