CBSE Class 10 Answered
Prove that (tanΦ+1/cosΦ)² + (tanΦ - 1/cosΦ)² = 2(1+ sin² Φ/1- sin²Φ)
Asked by pdcavita | 18 Nov, 2017, 12:42: PM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/eb1f69cdc52a661123f432bac7ef6b1c5a100588d01862.40441346Nov184.png)
Answered by Rashmi Khot | 05 Dec, 2017, 15:59: PM
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