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secondary 2 | Maths
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Yx._-tan
Yx._-tan

secondary 2 chevron_right Maths chevron_right Singapore

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Date Posted: 2 years ago
Views: 432

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Randomdude
Randomdude's answer
2 answers (A Helpful Person)
Hope it helps.
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Teacher R
Teacher R's answer
4 answers (Tutor Details)
Formula need to memorise
Tan( angle)
= opp side / adjacent side

Question given it is 3/4

Diagram shows opp side is 9.. Multiply numerator and denominator by 3.

3/4 * 3/3 = 9/12

Tan (angle) = opp/adj = PR/PQ = 9/12

So PQ is 12cm#