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secondary 3 | A Maths
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Madeline
Madeline

secondary 3 chevron_right A Maths chevron_right Singapore

How to show left side = right side? Please assist, thank you.

Date Posted: 10 months ago
Views: 153
Gerry Lim
Gerry Lim
10 months ago
Draw a right angled triangle with any length, a,b and c for the 3 sides. Pi/2 is equivalent to 180 degrees after conversion. So use the ratio to prove LHS and RHS.
E.g. LHS = sin(x) = b/c
RHS = cos(180-x) = b/c

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Arnold K H Tan
Arnold K H Tan's answer
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Madeline
Madeline
9 months ago
Thank you