PhysChemTutor's answer to Hii's Secondary 3 A Maths Singapore question.

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PhysChemTutor
Physchemtutor's answer
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Hii
Hii
3 years ago
Sorry but is there an example
PhysChemTutor
PhysChemTutor
3 years ago
sin(230) = sin(180+50) = - sin50 = - p Ans