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secondary 3 | A Maths
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Emma
Emma

secondary 3 chevron_right A Maths chevron_right Singapore

Please help explain how to. solve

Date Posted: 2 years ago
Views: 380

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Danny Low
Danny Low's answer
1016 answers (Tutor Details)
1st
Hope this helps
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Awyong Liang Qi
Awyong Liang Qi's answer
32 answers (Tutor Details)
I think the answer provided by the previous tutor missed out 2 angles that satisfy range given. Both our methods are different but the concept is the same.

Need to take note that for tangent, the angle is positive in the first and third quadrant.

The remaining question should be similar. Try it out and let me know if you have doubts :)