1,323 prompts matching "Solve the trigonometric equation tan(x) = -1, for 0 <= x <= 360"
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WAEC Prep: The dot product worked out from components
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Practice: The dot product as the magnitudes times the cosine of the angle
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WAEC Prep: The angle between two three-dimensional vectors
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WAEC Prep: Showing a triangle is right-angled using the dot product
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WAEC Prep: Finding the angle between two vectors from their dot product
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Worked Example: Testing two vectors for perpendicularity
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Learn: The angle between a vector and one of the axes
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Practice: Deciding whether a point lies on a given line
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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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WAEC Prep: The imaginary unit i, and why i squared is minus one
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Learn: The real and the imaginary parts of a complex number
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WAEC Prep: The geometric meaning of adding two complex numbers
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Quiz: Subtracting one complex number from another
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Spot My Mistake: Dividing one complex number by another using the conjugate
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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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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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