1,045 prompts matching "Find the inverse of a 3x3 matrix using cofactors #1"
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Solve the trigonometric equation 2cos(x) = 1, for 0 <= x <= 360
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Solve the trigonometric equation sin(2x) = 0.5, for 0 <= x <= 360
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Solve the trigonometric equation tan(x) = -1, for 0 <= x <= 360
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Solve the trigonometric equation 3sin(x) - 1 = 0, for 0 <= x <= 360
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Solve the trigonometric equation cos^2(x) - sin^2(x) = 0.5, for 0 <= x <= 360
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Worked example: use matrices to solve the simultaneous equations 2x+y=8 and x-y=1
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Worked example: find a+b where a=(2,-1) and b=(-3,5)
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Worked example: find 2a-3b where a=(4,1) and b=(-2,3)
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Worked example: how many ways can a committee of 4 be chosen from 10 people
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Worked example: use the binomial expansion to estimate (2.01)^5 to 4 decimal places
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Real-life application of measures of dispersion
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Real-life application of sum and product of roots
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Give me a 5-minute recap of quadratic equations
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Give me a 5-minute recap of polynomial division
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Give me a 5-minute recap of cubic equations
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Give me a 5-minute recap of propositions and compound statements
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Give me a 5-minute recap of truth tables
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Give me a 5-minute recap of biconditional statements
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Give me a 5-minute recap of tautologies
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Give me a 5-minute recap of argument validity
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