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3sin(2x)-2cos(x)=0

  1. Given that 2cos^2 x - 3sin x -3 = 0, show that 2sin^2 x + 3sin x +1 = 0?Hence solve 2cos^2 x + 4sin x - 3 = 0, giving all
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    2. Sean asked by Sean
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  2. Find all solutions on the interval [0.2pi)A) -3sin(t)=15cos(t)sin(t) I have no clue... b) 8cos^2(t)=3-2cos(t) All i did was move
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    2. Dan asked by Dan
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  3. Find the derivative of y with respect to x:y=3sin^4(2-x)^-1 y=[3sin(2-x)^-1]^4 y'=4[3sin(2-x)^-1]^3 (-3cos(2-x)^-1)(-1)
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    2. sh asked by sh
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  4. 2 cos ( x – pie/2) + 3 sin (x + pie/2) - (3sin x + 2cos x )
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    2. kumar asked by kumar
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  5. 3sin(2x)-2cos(x)=0
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    2. ashley --- HELP PLEASEE!!! asked by ashley --- HELP PLEASEE!!!
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  6. Can you help me with this? I did this many times and got different answers each time.Find f. f ''(x) = 3e^x + 3sin(x) f(0) = 0
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    2. Kay asked by Kay
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  7. How do you know what shape the graph in the xy-plane represented by x=3sin(t) and y=2cos(t) is?
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    2. Erica asked by Erica
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  8. eliminate the parameter to find a cartesian equation of the curve for x=2cos(θ), y=3sin(θ)
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  9. determine the amplitude and period of each function.1) y = 3sin (2x-pi/2) 2) y = -3sin2 (x-pi/4) 3) y = 2cos (2x+pi) 4) y =
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    2. Janine asked by Janine
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  10. find the maximum value off(x)= 3cos(x)-2sin(x) I know you have to take the derivative but after the derivative I don't know how
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    2. Anonymous asked by Anonymous
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