Year 10
Core
Know tangent, sine and cosine
Year 10
Core
Know tangent, sine and cosine
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Lesson details
Key learning points
- In this lesson, we will learn how to correctly label a right-angled triangle, and identify the correct trigonometric ratio to use.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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4 Questions
Q1.
Has this triangle been correctly labelled?
Yes
Q2.
Why has this triangle been incorrectly labelled?
Adjacent and opposite need switching
Hypotenuse and opposite need switching
It’s not incorrect
Q3.
Which is the correct trigonometric ratio to use to calculate length y?
Cosine
Tangent
Q4.
Which trig ratio would I use to calculate the diameter of this circle?
sine
tangent