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Remember Sinusoids?

Remember Sinusoids?. Find the constants A and α so that for every value of x : 2cos (3 x ) + 5sin (3 x ) = A sin (3 x + α ). Review “Stuff”. Elena got ANOTHER new bike!. Solve the following Triangle:. α = 42°, a = 6, b = 7.

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Remember Sinusoids?

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  1. Remember Sinusoids? • Find the constants A and α so that for every value of x:2cos (3x) + 5sin (3x) = Asin (3x + α)

  2. Review “Stuff” Elena got ANOTHER new bike! Solve the following Triangle: α= 42°, a = 6, b = 7 • These bike wheels are 1 yard in diameter, with the pedal sprocket ¾ ft in diameter and the wheel sprocket 6 inches in diameter. The wheel sprocket is spinning at 300 RPM. Find the angular speed of the wheel and both sprockets.

  3. Homework!! • Pg. 395 #43, 60 • Find the “derivative” of y = sin x • Pg. 589 #1 – 8 all, 17, 18, 21, 22

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