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4cosx + 3 = 0

Determine the general solution of 8 cos^2x - 4cosx - 1 =0(8cos^2x - 4cosx)/8 =1/8 cos^2x - 4cosx=1/8 cos^2x/cosx =1+4cosx/cosx
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2. asked by Bontle
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Let f(x)=9sinx/2sinx+4cosx.Then 'f(x)= ((2sinx+4cosx)(9cosx)-(9sinx)(2cosx-4sinx))/(2sinx+4cosx)^2. The equation of the tangent
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2. asked by Leslie
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Complete the table of values that can be used to graph f(x)=−4cosx .(2 points) x f(x)=−4cosx 0 π2 π 3π2 2π
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2. 125 views
Complete the table of values that can be used to graph f(x)=−4cosx.(2 points) x f(x)=−4cosx 0 π2 π 3π2 2π
1. 1 answer
2. 140 views
a. Draw the graphs of y=4cosx and y=2x-x on the same set of axes for -2π<=x<=2π(done) b. Explain why all these solutions of
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2. asked by anon
3. 509 views
Write the equation of the periodic function based on the graph.(1 point) Responses y=−4cosx y equals negative 4 cosine x
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2. 125 views
Write the equation of the periodic function based on the graph. (1 point) Responses y=4cosx y equals 4 cosine x y=−4cosx y
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2. 78 views
The slope of the line normal to the graph of 4 sin x + 9 cos y = 9 at the point (pi, 0) is:Derivative: 4cosx - 9siny(dy/dx) = 0
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2. asked by Mishaka
3. 4,071 views
4cosx + 3 = 0
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2. asked by Kevin
3. 422 views
If f(x)=3cos^2x-4cosx
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2. asked by Kamlendra Singh
3. 411 views