Formulas and Mnemonics Flashcards by Deleted Deleted | Brainscape

Q

All Students Take Calculus

A

QI All +, QII Sin+, QIII Tan+, QIV Cos+

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Q

Positive in QI

A

All

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Q

Positive in QII

A

Sin

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Q

Positive in QIII

A

Tan

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Q

Positive in QIV

A

Cos

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Q

Sin, Cos, Tan of triangle

A

SOH-CAH-TOA

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Q

Sin on axis

A

y/r

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Q

Cos on axis

A

x/r

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Q

Tan on axis

A

y/x

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Q

Range of Sin, Cos

A

greater than -1 and less than 1

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Q

Range of Tan, Cot

A

any real number

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Q

Range of Sec, Csc

A

less than -1, greater than 1

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Q

Area of a circle sector

A

A=1/2r²Θ

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Q

length of an arc

A

s=rΘ

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