Questions asked by AnnaReen
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How do you write tan(2x) in terms of cot(x)? Thank you!
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How do you write sin(4x) in terms of sin(x)? Thank you!
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How do you find sin(16x) and cos(4x), if you know that cot(8x) = -2 and 8x is an element of II? Thank you in advance!
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In the image below, on which charge can the field be zero? Thank you!
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What’s the difference between a p-orbital of the second shell and a p-orbital of the third shell? Thank you!
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What's the force on charge Q3? Thank you!
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MATRICES: How you determine x and y so that ... ?
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MATRICES: For which value of x and y ... ?
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MATRICES: Determine a in this matrix so that the matrix is nilpotent with p = 3. ?
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Can somebody determine the point between these charges where the electric field force equals to zero? Thank you!
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[MATRICES] Determine a so it meets the condition? Thank you!
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Two identical negative charges Q are placed on equal distance r of a positive charge Qb (see photo).
What is then the value of Q causing the charges (relative to each other) to be in balance? Thank you!
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What's the force on charge Q3?
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Point P is in the middle of the rectangle. What's the electric field strength in P? Thank you!
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The size of the electric field force in A = 150 N/C and in B = 100 N/C. What's the size of the charges Q1 and Q2? Thank you!
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For which real x-values lays the graph with equation y = -x^4 + 18x^2 - 17 under the x-axis? Thank you!
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For which values of x element of the real numbers lays the graph of the function f with function rule f(x) = 2x^4 + 2x^2 below the graph of the function g with function rule g(x) = 5x^3 + 5x? Thank you!
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TRUE OR FALSE; Has #f(x) = 6acx³ + 4bcx² + 9adx + 6bd # two opposite zeros if #c xxd > 0 #? Thank you!
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Is plasmolysis always reversible? Thank you!
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MATRICES: What's the determinant of this 4x4 matrix?
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In what direction do sunspots move? Thank you!
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How to make this expression independent from B? thank you!
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How to solve this identity? Thank you!
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How to solve this identity?
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How do you prove that this trangle is isosceles?
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How to prove that this triangle is right-angled?
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How to solve this identity? Thank you!
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How to solve this identity? Thank you!
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How to solve this identity? Thank you!
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In what organ is pepsin also, besides stomach, made?
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In what organ is endopeptidase also, besides stomach, made?
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|COMPLEX NUMBERS| Determine the complex conjugate of... ? Thx!
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Can somebody solve in C?
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|COMPLEXE NUMBERS| Show that...? Thank you!
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How to make a formule for sin(3x) and cos(3x) (with the help of De Moivre formulas) in function of sin(x) and cos(x)? Thank you!
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|COMPLEXE NUMBERS| Show that?... thank you!
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|COMPLEXE NUMBERS| What is the geometrical representation of |z| = 2? Thank you!
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|COMPLEXE NUMBERS| What is the geometrical representation of θ = π / 3? Thank you!
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(complexe numbers) Show that? Thank you!
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Show that the sum of the third roots of 1 is zero? Thank you!
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How do you make a mixed circuit with four resistors and at least one series circuit and at least one parallel circuit in? Thank you!
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|TRIGONOMETRIC FUNCTIONS| What's the perimeter and area of the hatched region? Thank you!
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How to prove that there’s always at least one rational number between two real numbers?
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How to determine the current over each resistance? Thank you!
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How to determine the voltage Ub2 so that the current through R2 would be equal to 0,150A using Kirchoff's Law? Thank you!
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How to solve tanx + cotx = 4cos2x? Thank you
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How to solve 3sinx + 3cosx = secx + cosecx for x? Thank you!
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How to solve this trigonometric equation: cos(x) * cos(2x) * cos (3x) = 1? Thank you!
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How to solve this equation: secx - cosx = sinx? Thank you!
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What is the name of this haloalkane? Thank you!
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What is the name of this ether? Thank you!
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How to find the x in this exponential function? Thank you!
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How to convert time? Thank you!
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How to express the mass of a proton and an elektron in MeV/c²? Thank you!
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Every day, the length of a bug increases with 0,7%. What's the formule to determine the length of the bug after x days? Thank you!
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How to prove that the graph of the functions are tangent to eachother.? Also determine the point of tangency? Thank you
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Prove: is y = tan(2x), than y" = 4y . y' ? Thank you!t
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Prove that the radius of the circle with equation x² + y² = 25 is perpendicular on the tangent line in P(3,4) to the circle? Thank you!
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What are the equations of the tangent lines out P(2,1) to the parabola with equation #y = x^2#? Thank you!