1,125 prompts matching "Coordinate geometry involving a right-angle condition to find x"
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WAEC Prep: The two conditions for a rigid body to be in equilibrium
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WAEC Prep: The triangle of forces and concurrence taken together
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Spot My Mistake: Using concurrence to find the direction of an unknown third force
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WAEC Prep: The conditions for a particle under three forces to be in equilibrium
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Worked Example: Matching each force to the sine of the angle opposite it
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WAEC Prep: Using the mean of a Poisson distribution to find a probability
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Quiz: The direction of a vector as an angle with the x-axis
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Worked Example: Finding the unit vector in the direction of a given vector
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Worked Example: The triangle law of vector addition
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WAEC Prep: The dot product used to find the work done by a force
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WAEC Prep: The angle between two three-dimensional vectors
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Learn: The angle between a vector and one of the axes
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Spot My Mistake: The equilibrium condition written in vector form
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Practice: Equating real and imaginary parts to find two unknowns
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Quiz: Using the initial conditions to fix the constants in a kinematics problem
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WAEC Prep: The condition for a geometric series to converge
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WAEC Prep: Substituting a convenient value to find one constant
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Find the inverse of a 3x3 matrix using cofactors #1
I am in SS 3. Give me a 3x3 matrix like A=[[1,2,3],[0,1,4],[5,6,0]] and guide me through f
Find the inverse of a 3x3 matrix using cofactors #2
I am in SS 3. Give me a 3x3 matrix like A=[[2,0,1],[1,3,-1],[0,1,2]] and guide me through
Find the inverse of a 3x3 matrix using cofactors #3
Give me a 3x3 matrix like A=[[1,-1,2],[0,2,1],[3,0,1]] and guide me through finding its in