25schools: Zambia Quizzes | Master Grade 8 - 12

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question 1 of 1 Grade: Eleven - G11

Q: True or False: Most substances expand when heated.

True. \(\cos x = \sin(x + \frac{π}{2})\), so the cosine graph is indeed the sine graph shifted left by \(\frac{π}{2}\)

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True. \(\cos x = \sin(x + \frac{π}{2})\), so the cosine graph is indeed the sine graph shifted left by \(\frac{π}{2}\)

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Zambia