Rules Flashcards by Joysa S. | Brainscape

Q

What is the sine rule?

A

a / sin A = b / sin B = c / sin C

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Q

What is the cosine rule?

A

a² = b² + c² - 2bcCosA

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Q

What is the equation for the area of a triangle?

A

Area = 1/2absinC

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Q

What are the two main trig identities?

A

sin²θ + cos²θ = 1

tan x = sin x / cos x

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