Quick questions on Polar coordinates: curves and enclosed area - AQA A-Level Further Maths

1short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is wrong quadrant for the angle?

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When converting from Cartesian,

\tan\theta = \frac{y}{x}

alone does not fix the quadrant; check the signs of

x

and

y

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