Questions asked by J'Neal
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How do you find all solutions of 2cos^2(θ)-1=0 to be pi/4 +kpi and 3pi/4 + kpi? I keep getting 2kpi instead of kpi
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How do you graph y=15e^(-.25t)cos(1.2pit)?
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Let z_1=2[cos(pi/6)+isin(pi/6)] How do you find 1/z_1?
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How do you simplify the following expression to a single trigonometric function?
sinx/(1-cosx) -cscx
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In terms of x and y only, how would you write the following expression?
sin(tan^-1 x+cos^-1 y)
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Using De Moivre's Theorem, What is the indicated power of (-sqrt2 -sqrt2 i)^5?
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How do you use De Moivre's Theorem to simplify z=(2[cos(5pi/4)+isin(5pi/4)])^5 to 16sqrt2 + 16sqrt2 i?
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The speed of an airplane is 300 mi/h relative to the air. The wind is blowing due north with a speed of 30 mi/h. In what direction should the airplane head in order to arrive at a point due west of it's location?
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Is there a possible rule for the nth term of the sequence:
1, 5, 5, 5,•••,5?
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Is there an nth term for the sequence 1, 5, 10, 15, 20, 25?
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Is there a possible rule for the nth term of the sequence: 1, n, n, n, n,···,n?
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Is this sequence arithmetic or geometric?