1,331 prompts matching "Finding the values of c for which a line is a tangent"
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Practice: The dot product as the magnitudes times the cosine of the angle
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WAEC Prep: Finding the angle between two vectors from their dot product
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Practice: Deciding whether a point lies on a given line
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WAEC Prep: The resultant force on a particle given in i and j form
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WAEC Prep: Why the square root of a negative number needs i
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WAEC Prep: Writing the square root of minus nine in terms of 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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Quiz: The product of a complex number and its conjugate
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Practice: The sum of a complex number and its conjugate
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WAEC Prep: The modulus of a product of two complex numbers
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Quiz: The argument of a complex number
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Practice: The argument of a complex number in the second or third quadrant
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Practice: The addition of complex numbers shown on an Argand diagram
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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
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WAEC Prep: The statement of de Moivre's theorem
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