Trigonometry

These revision cards will help you with the definition of key words and terms used in trigonometry*.

*The theta symbol (θ) will print as a hashtag (#).

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What is SOH CAH TOA?
Acronym to remember the three equations.
1 of 10
What does SOH stand for?
Sin θ = Opposite ÷ Hypotenuse
2 of 10
What does CAH stand for?
Cos θ = Adjacent ÷ Hypotenuse
3 of 10
What does TOA stand for?
Tan θ = Opposite ÷ Adjacent
4 of 10
What does θ represent?
ϴ (theta) is the angle given in a right angled triangle that isn't the right angle).
5 of 10
What is the hypotenuse?
The side, on the triangle, opposite the right angle.
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Where is the opposite side on the triangle?
The side that is opposite the other angle given (that isn't the right angle).
7 of 10
When should you use SOH?
When you have the opposite side length and want to know the hypotenuse or vise versa.
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When should you use CAH?
When you have the adjacent side length and want to know the hypotenuse or vise versa
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When should you use TOA?
When you have the opposite side length and want to know the adjacent or vise versa
10 of 10

Other cards in this set

Card 2

Front

What does SOH stand for?

Back

Sin θ = Opposite ÷ Hypotenuse

Card 3

Front

What does CAH stand for?

Back

Preview of the front of card 3

Card 4

Front

What does TOA stand for?

Back

Preview of the front of card 4

Card 5

Front

What does θ represent?

Back

Preview of the front of card 5
View more cards

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