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  1. Simplify LHS to: 2{cos(2x)+sin(2x)} = 2√2{(1/√2)cos(2x)+(1/√2)sin(2x)} =2√2(cos(2x-(π/4))) Solve.

    1 Answers · Science & Mathematics · 20/04/2013

  2. ... ) x (sin²x + cos²x) =(cos^4) (X) - (sin^4) (x) d) LHS: cot X sin 2X=(cosx÷sinx) x (2sinxcosx) =2cos²x...

    3 Answers · Science & Mathematics · 07/10/2011

  3. dx/dt = (1-x)(1+x) dx / (1-x)(1+x) = dt LHS can be split by partial fractions. or 1/ (1-x) (1+x) = 1/2[{1/(1-x...

    2 Answers · Science & Mathematics · 09/11/2013

  4. the right side of the equation looks weird.....okay is looks meaningless. I don't think You can take the partial derivative of an infinitesimal

    1 Answers · Science & Mathematics · 01/05/2012

  5. ... acting) Stand pipe is up to datum [A] in LHS figure? Then the head will be 15 m at A [ If it is...

    1 Answers · Science & Mathematics · 27/09/2011

  6. It can't be done. It can be shown that the LHS and the RHS are not equal to each other.

    1 Answers · Science & Mathematics · 15/09/2011

  7. ...(x_1,x_2)P(x)dx - Int(x_1,x_2)H(x)dx ?= 25 LHS = 25 ==> CHECKED

    1 Answers · Science & Mathematics · 23/07/2011

  8. ...i = current thru wire = 5.5A phi = total flux thru loop x = distance from wire to LHS of loop = 0.09 m v = speed of loop = dx/dt = 0.55 m/s R = loop resistance = 79...

    1 Answers · Science & Mathematics · 14/07/2011

  9. LHS=cos5x-cos3x =-2sin4x.sinx =-4sin2x.cos2x.sinx =-8sin^2x.cosx(2cos^2x-1) =-8sin^2x(2cos^3x...

    1 Answers · Science & Mathematics · 09/07/2011

  10. ...n-1 Subtract to get n(1)'s = (10^n+1-10^n-9)/81 If n=5, LHS = 11111. RHS = (10^6-10^5-9)/81, which is indeed true. 10^6-10^5 = 9...

    1 Answers · Science & Mathematics · 18/06/2011

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