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Practice to decide which quadrant a complex number lies in.

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Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!

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Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!

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Rotate $y=a(\cos(x)+b)$ by $2\pi$ radians about the $x$-axis between $x=c\pi$ and $x=(c+2)\pi$. Find the volume of revolution.

rebelmaths

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More difficult trigonometric equations with radians

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testing sin, cos, tan of angles that are negative or greater than 2pi radians that result in nice exact values.

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testing sin, cos, tan of  random(0,90,120,135,150,180,210,225,240,270,300,315,330) degrees but in radians

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Multiple choice questions. Given randomised trig functions select the possible ways of writing the domain of the function.

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Unit circle definition of sin, cos, tan using degrees

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multiple choice testing sin, cos, tan of  random(pi/6, pi/4, pi/3) radians

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multiple choice testing csc, sec, cot  of  random(pi/6, pi/4, pi/3) radians

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Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!

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testing sin, cos, tan of  random(0,90,120,135,150,180,210,225,240,270,300,315,330) degrees but in radians

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testing sin, cos, tan of angles that are negative or greater than 2pi radians that result in nice exact values.

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Multiple choice questions. Given randomised trig functions select the possible ways of writing the domain of the function.

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rebelmaths

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rebelmaths

• Question in CHY1205

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Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!

• Question in Complex

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!

• Question

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!

• Question

Finding the modulus and argument (in radians) of four complex numbers; the arguments between $-\pi$ and $\pi$ and careful with quadrants!