FP2 - Unit 4 Flashcards by Kirsty Hogarth | Brainscape

Q

What is sinhx equal to?

A

½(e˟ - eˉ˟)

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Q

What is coshx equal to?

A

½(e˟ + eˉ˟)

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Q

What is cosh²x - sinh²x equal to?

A

1

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Q

What is coshx + sinhx equal to?

A

e˟

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Q

What is coshx - sinhx equal to?

A

eˉ˟

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Q

What is sinhx - coshx equal to?

A

-eˉ˟

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Q

What is sinh²x - cosh²x equal to?

A

-1

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Q

What is cosh(A+B) equal to?

A

coshAcoshB + sinhAsinhB

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Q

What is sinh(A+B) equal to?

A

sinhAcoshB + coshAsinhB

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