phase 2 Flashcards by Pham Binh

Q

cos (-a)

A

cos a

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Q

sin (-a)

A

minus sin a

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Q

tan (-a)

A

minus tan a

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Q

cot (-a)

A

minuscot a

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Q

sin ( 180 - a)

A

sin a

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Q

cos ( 180 - a)

A

minus cos a

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Q

tan ( 180 - a )

A

minus tan a

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Q

cot ( 180 - a)

A

minus cot a

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