Chapter 4 Flashcards by Lauren Bryan

Q

Circumference of a circle

A

2πr

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Q

360°
270°
180°
90°
60°
45°
30°

A

2π
3π/2
π
π/2
π/3
π/4
π/6

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Q

Rad → Deg

A

180/π

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Q

Deg → Rad

A

π/180

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Q

Complementary

A

90°

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Q

Supplementary

A

180°

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Q

°, ‘

A

Calculator → 2nd → apps

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Q

DMS

A

Calculator → 2nd → apps → DMS

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Q

’’

A

Calculator → alpha → +

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Q

sin
cos
tan
csc
sec
cot

A

opp/hyp soh
adj/hyp cah
opp/adj toa
hyp/opp
hyp/adj
adj/opp

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Q

ASTC

A

Q1 = all+
Q2 = sin+
Q3 = tan+
Q4 = cos+

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Q

Amplitude

A

y = Asinx

The max and min height of a graph

never negative

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Q

Period

A

y = sinPx

2π/b, The max and min length of a graph

never negative

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