trigonometric formulae Flashcards by spill tea | Brainscape

Q

what is the cosine formulae

A

a2 = b2 + c2 - 2bc cos A

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Q

what is the sine rule to find sides

A

a over sin A = b over SINE b= c over sine c

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Q

what is the sine rule to find angle

A

SINE A over a =SINE B over b =SINE C over c

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Q

area of a traingle

A

half of ab sin C

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