Shawn's answer to Michael's Secondary 3 E Maths Singapore question.

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Shawn
Shawn's answer
82 answers (A Helpful Person)
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Shawn
Shawn
4 years ago
A means all will be positive

S means sine will be positive while tangent and cosine will be negative

T means tangent will be positive while sine and cosine will be negative

C means cosine will be positive while sine and tangent will be negative.

A good way to remember is All Science Teachers (are) Crazy.