HPC Section 5.5 Half Angle Identities Day 2 Lesson Slides

18 Slides • 4 Questions

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HPC

Section 5.5

Half Angle Identities

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Multiple Select

Find the exact value of :

$\sin\ \left(\frac{\pi}{8}\right)$

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$\sqrt{\frac{1-\sqrt{2}}{2}}$

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$\frac{\sqrt{2-\sqrt{2}}}{2}$

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$\frac{\sqrt{4-\sqrt{2}}}{2}$

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$\frac{2-\sqrt{2}}{4}$

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Multiple Select

Solve for x:
$\cos^2x=\sin^2\left(\frac{x}{2}\right)$

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$\frac{\pi}{3}$

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$\frac{5\pi}{3}$

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$\pi$

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$0$

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$\frac{2\pi}{3}$

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Draw

$Find\ \cos\left(\frac{u}{2}\right)=$

$Given:\ \cos\ \left(u\right)=\frac{3}{5}$

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Draw

$Find\ \tan\left(\frac{u}{2}\right)=$

$Given:\ \cos\ \left(u\right)=\frac{3}{5}$

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Day 2:

Page 390 - 391

# 11, 13, 28, 52, 53, 55, 57(cos only), 59(tan only), 67

Why do we drive on parkways and park in driveways?

Homework

HPC

Section 5.5

Half Angle Identities

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