Pleaseeeee help! Prove that: sinx-cosx+1/sinx+cosx-1 = sinx+1/cosx?

2020-05-08 2:09 pm
更新1:

(sinx-cosx+1)/(sinx+cosx-1) = (sinx+1)/cosx

回答 (2)

2020-05-08 2:37 pm
The answer is as follows:
2020-05-08 2:12 pm
Need the placement of parens to understand the question


收錄日期: 2021-05-01 22:41:43
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