A.Maths question

👨🏻‍🏫 學術台數學

mhplknwp

2010-08-09 3:47 am

Differentiate y=2secx from first principles.

回答 (1)

STEVIE-G™

2010-08-09 4:05 am

✔ 最佳答案

As follows:

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