1.3.2 Trigonometry Flashcards by Alex Hooker

Q

What is the hypotenuse?

A

Longest side.

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Q

What is the sine of an angle?

A

side Opposite angle/ Hypotenuse SOH

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Q

What is the cosine of an angle?

A

side Adjacent angle/ Hypotenuse CAH

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Q

What is the tangent of an angle?

A

Side Opposite angle/ side Adjacent angle TOA

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Q

What is sin 0?

A

0

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Q

What is cos 0?

A

1

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Q

What is tan 0?

A

0

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Q

What is sin 30?

A

0.5 or 1/2

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Q

What is cos 30?

A

0.87 or √3 / 2

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Q

What is tan 30?

A

0.57 or 1/ √3

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Q

What is sin 45?

A

0.7 or 1/ √2

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Q

What is cos 45?

A

0.7 or 1 √2

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Q

What is tan 45?

A

1

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Q

What is sin 60?

A

0.87 or √3/2

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Q

What is cos 60?

A

0.5 or 1/2

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Q

What is tan 60?

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A

1.73 or √3

Q

What is sin 90?

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A

1

Q

What is cos 90?

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A

0

Q

What is tan 90?

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A

Sin90 / Cos 90 = 1/0