Trigonometry Flashcards by Christian Richmond | Brainscape

Q

cos θ

A

Adjacent/Hypotenuse

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Q

sin θ

A

Opposite/hypotenuse

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Q

tan θ

A

Opposite/Adjacent

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Q

sin2 θ + cos2 θ = 1.

A

A useful relationship to remember which works for any angle θ is:

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