1,323 prompts matching "Solve the trigonometric equation tan(x) = -1, for 0 <= x <= 360"
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WAEC Prep: Post-multiplying a row vector by a matrix
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through post-multiplying a
Quiz: Solving AX equals B and XA equals B by different routes
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Spot My Mistake: A symmetric matrix, equal to its own transpose
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WAEC Prep: A skew-symmetric matrix
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Practice: A diagonal matrix
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WAEC Prep: Evaluating A squared minus 2A
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WAEC Prep: A matrix expression with brackets to expand
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Practice: Evaluating AB minus BA
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WAEC Prep: Expanding a 3 by 3 determinant down a column
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Quiz: Expanding a 3 by 3 determinant along a row or column containing noughts
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WAEC Prep: When Cramer's rule is quicker than elimination
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WAEC Prep: Cramer's rule applied to a pair with fractional coefficients
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Spot My Mistake: Checking a Cramer's rule solution by substituting back
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Practice: Why a 2 by 2 matrix with determinant nought cannot be inverted
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Quiz: Checking a 3 by 3 inverse by multiplication
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WAEC Prep: A three-unknown system arising from a word problem
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WAEC Prep: Mass, and how it differs from weight
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Learn: Inertia, and what mass actually measures
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WAEC Prep: A body just about to slide on a horizontal surface
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WAEC Prep: Using concurrence to locate an unknown line of action
Act as my WAEC Further Mathematics coach. I am in SS 3. Take me through using concurrence