Chen Zhiwei (Thomas)'s answer to .....'s Secondary 3 E Maths Singapore question.

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Chen Zhiwei (Thomas)
Chen Zhiwei (thomas)'s answer
7 answers (Tutor Details)
1st
Remember to present your answer in 3 significant figures. It's important
Blob fish
Blob Fish
1 year ago
Hi, I dont think you can use cosine rule here as 38 degrees isnt the included angle
Jordan
Jordan
1 year ago
cosine rule needs to use included angle.