1,326 prompts matching "Solve the trigonometric equation sin(2x) = 0.5, for 0 <= x <= 360"
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Quiz: Arranging the equations in standard form before applying Cramer's rule
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Practice: Comparing the inverse method with elimination for three equations
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WAEC Prep: The forces on a body suspended by a single string
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WAEC Prep: The triangle of forces used together with the cosine rule
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Worked Example: Using the sine rule on the triangle of forces
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Spot My Mistake: Using concurrence to find the direction of an unknown third force
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Worked Example: Matching each force to the sine of the angle opposite it
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WAEC Prep: Converting the vector equation of a line into Cartesian form
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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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Solve a 3x3 system using the inverse matrix method #2
I am in SS 3. Show me how to solve the system 2x+y-z=5, x-y+2z=1, 3x+2y+z=10 by writing it
Practice: Rationalising a denominator of the form root a
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Explain Back: Rationalising a denominator of the form a plus root b using the conjugate
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Show All Working: Expressing a number in the form a root b
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Practice: The condition for a quadratic equation to have equal roots
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Spot My Mistake: Forming a new equation whose roots are the reciprocals of the original
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Quiz: The compound angle formula for sine of A plus B
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Practice: The compound angle formula for cosine of A minus B
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Spot My Mistake: The double angle formula for sine
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WAEC Prep: The three forms of the double angle formula for cosine
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