If matrix A = [cosx

| sinx cosx 1 || (sinx)^2 (cosx)^2 1 | | (sinx)^3 (cosx)^3 1 | Evaluate and factorise the determinant of the matrix.
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2. asked by Help me plz
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Simplify #3:[cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [cosx-(sin90cosx-cos90sinx)sinx]/[cosx-(cos180cosx+sinx180sinx)tanx] =
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2. asked by Anonymous
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hey, i would really appreciate some help solving for x when:sin2x=cosx Use the identity sin 2A = 2sinAcosA so: sin 2x = cos x
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2. asked by elle
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If matrix A =[cosx -sinx -cosx sinx -cosx sinx] Find A'A
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2. asked by Kaur
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Hi! I need help with these two questions. Thanks! :)1.) Can we multiply the Matrix A (which is 3 x 4 matrix) by the other
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2. asked by Emily
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I have a question relating to limits that I solvedlim(x-->0) (1-cosx)/2x^2 I multiplied the numerator and denominator by
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2. asked by Alex
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Trigonometric IdentitiesProve: (tanx + secx -1)/(tanx - secx + 1)= tanx + secx My work so far: (sinx/cosx + 1/cosx +
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2. asked by Dave
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sin2x+cosx=0 , [-180,180)= 2sinxcosx+cosx=0 = cosx(2sinx+1)=0 cosx=0 x1=cos^-1(0) x1=90 x2=360-90 x2=270 270 doesn't fit in
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2. asked by Anonymous
3. 951 views
Solve this equation fo rx in the interval 0<=x<=3603sinxtanx=8 I would do it this way: sinxtanx = 8/3 sinx(sinx/cosx)=8/3
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2. asked by Edward
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A matrix operation which moves the elements in the row vectors to become column vectors isreferred to as: (a) Scalar matrix (b)
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