1,327 prompts matching "Learn: The formula for the sum of the first n terms of an arithmetic progression"
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Learn: Subtracting one vector from another
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WAEC Prep: The dot product of a vector with itself
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WAEC Prep: The dot product used to find the work done by a force
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Explain Back: The dot product of two perpendicular vectors
I have just studied the dot product of two perpendicular vectors in my SS3 Further Mathema
WAEC Prep: The parameter in the vector equation of a line
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WAEC Prep: The vector equation of a line through a point in a given direction
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WAEC Prep: The resultant force on a particle given in i and j form
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Spot My Mistake: The equilibrium condition written in vector form
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WAEC Prep: Why the square root of a negative number needs i
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Worked Example: The powers of i, and the cycle they follow
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WAEC Prep: The geometric meaning of adding two complex numbers
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WAEC Prep: The conjugate of a purely imaginary number
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WAEC Prep: The conjugate of a product of two complex numbers
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WAEC Prep: The conjugate of a complex number, and how it is written
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WAEC Prep: The modulus of a product of two complex numbers
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WAEC Prep: The locus of a complex number equidistant from two points
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Explain Back: The locus of a complex number at a fixed distance from a point
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WAEC Prep: The polar form written as r cos theta plus i r sin theta
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WAEC Prep: Converting a complex number from polar form into the form a plus bi using tables
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WAEC Prep: Expanding cos of 3 theta using de Moivre's theorem
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through expanding cos of 3