Chin Shih Chang's answer to swxtz's Secondary 3 E Maths Singapore question.

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Chin Shih Chang
Chin Shih Chang's answer
352 answers (Tutor Details)
Chin Shih Chang
Chin Shih Chang
6 years ago
258tan19 is 88.836 and it is 88.8 rounded off to 3 sf. My cal is in the wrong mode