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United StatesPrecalculusQuick questions

Unit 3: Trigonometric and Polar Functions

Quick questions on Sine and cosine function graphs - AP Precalculus Unit 3

2short 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 q1?
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What is the period of y=sin⁡xy = \sin x, and at what xx in [0,2π][0, 2\pi] is its maximum? [1 point]
What is q2?
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Is y=cos⁡xy = \cos x concave up or concave down on (π2,3π2)\left(\frac{\pi}{2}, \frac{3\pi}{2}\right)? [1 point]

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