For this matrice, [[0.9cos(-30), 0.9cos(60),

For this matrice,[[0.9cos(-30), 0.9cos(60), 2] [0.9sin(30), 0.9sin(60), 4] [0, 0, 1]] What is the rotation (in degrees) and is
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2. asked by Grace
3. 453 views
Prove: (3cosx + 4sinx)^2 + (4cosx - 3sinx)^2=5 ...this is all under the square root sign.I get 9cos^2x + 16sin^2x +16cos^2x +
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2. asked by linds
3. 725 views
eliminate the parameter t from the followingx = 9sin t y = 9cos t
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2. asked by Abe
3. 585 views
Γ is the circumcircle of triangle ABC with radius 12√2. If 9cos(∠B+∠C)cos∠A=−1, what is the value of BC?
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2. asked by Shin
3. 453 views
State the amplitude, period, and phase shift of the function.h(t)=-9cos(7t-Pie/5)
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2. asked by Anonymous
3. 703 views
Inverse of h(x)=7-9cos(-(x+1)).h^-1(x)=? show work please! Thanks.. also accidentally put this as an answer somewhere pls ignore
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2. asked by sophie
3. 515 views
How do I evaluate this integral: x^9cos(x^5)dxHint: First make a substitution and then use integration by parts.
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2. asked by J
3. 1,100 views
The position of some object moving along the x-axis is observed to be x(t)=9cos(pi*t/3+pi/4) meters. Find the frequency.
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2. asked by Charlie
3. 704 views
find indefinite integral [(sinx)^3]*[(cosx)^3] dxi got 1/192 * ((cos(6x)-9cos(2x)) + C but this isnt right. explain plz? thnx
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2. asked by Mikey
3. 460 views
find indefinite integral [(sinx)^3]*[(cosx)^3] dxi got 1/192 * ((cos(6x)-9cos(2x)) + C but this isnt right. explain plz? thnx
1. 0 answers
2. asked by Mikey
3. 434 views