cosine and sine Flashcards

1
Q

cosine find angle

A

Cos A= B2 + C2 - A2 divided by 2bc

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2
Q

cosine length

A

A2 = B2 + C2 - 2bc Cos A

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3
Q

sine length

A

a divided by sin a

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4
Q

sine angles

A

sin a divided by a

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