Trigonometry 1 Flashcards by Kai Dallison | Brainscape

Q

Equation for arc length

A

l = rΘ

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Q

Equation for area of a sector

A

A = 1/2 r² Θ

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Q

What are both A2 trig identities?

A

1 + tan²Θ = sec²Θ

1 + cot²Θ = cosec²Θ

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