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secondary 3 | E Maths
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Janicia Domo
Janicia Domo

secondary 3 chevron_right E Maths

How do i do,this q thanks!!

Date Posted: 6 years ago
Views: 389

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Lee Zheng Han
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11 answers (Tutor Details)
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For part b), angle DAC must be less than 180 degrees. Hence, we can just use arctan to find the angle
Lee Zheng Han
Lee Zheng Han
6 years ago
Correction: Angle DAC is definitely less than 90 degrees, that's why we can use arctan